diff --git a/cmd/server.go b/cmd/server.go
index 5cf1cc096b..4c974ce2bf 100644
--- a/cmd/server.go
+++ b/cmd/server.go
@@ -71,6 +71,7 @@ const (
 	EnableRegExpCmdFlag              = "enable-regexp-cmd"
 	EnableDiffMarkdownFormat         = "enable-diff-markdown-format"
 	ExecutableName                   = "executable-name"
+	HideUnchangedPlanComments        = "hide-unchanged-plan-comments"
 	GHHostnameFlag                   = "gh-hostname"
 	GHTeamAllowlistFlag              = "gh-team-allowlist"
 	GHTokenFlag                      = "gh-token"
@@ -531,6 +532,10 @@ var boolFlags = map[string]boolFlag{
 		description:  "Enable websocket origin check",
 		defaultValue: false,
 	},
+	HideUnchangedPlanComments: {
+		description:  "Remove no-changes plan comments from the pull request.",
+		defaultValue: false,
+	},
 }
 var intFlags = map[string]intFlag{
 	CheckoutDepthFlag: {
diff --git a/runatlantis.io/docs/server-configuration.md b/runatlantis.io/docs/server-configuration.md
index b060a50473..6375cdfeb7 100644
--- a/runatlantis.io/docs/server-configuration.md
+++ b/runatlantis.io/docs/server-configuration.md
@@ -447,6 +447,16 @@ and set `--autoplan-modules` to `false`.
 
   This is useful when running multiple Atlantis servers against a single repository.
 
+### `--hide-unchanged-plan-comments`
+  ```bash
+  atlantis server --hide-unchanged-plan-comments
+  # or
+  ATLANTIS_HIDE_UNCHANGED_PLAN_COMMENTS=true
+  ```
+Remove no-changes plan comments from the pull request. 
+
+This is useful when you have many projects and want to keep the pull request clean from useless comments.
+
 ### `--gh-hostname`
   ```bash
   atlantis server --gh-hostname="my.github.enterprise.com"
diff --git a/server/controllers/events/events_controller_e2e_test.go b/server/controllers/events/events_controller_e2e_test.go
index 151cf24347..7fd5527bea 100644
--- a/server/controllers/events/events_controller_e2e_test.go
+++ b/server/controllers/events/events_controller_e2e_test.go
@@ -1241,7 +1241,7 @@ func setupE2E(t *testing.T, repoDir string, opt setupOption) (events_controllers
 	pullUpdater := &events.PullUpdater{
 		HidePrevPlanComments: false,
 		VCSClient:            e2eVCSClient,
-		MarkdownRenderer:     events.NewMarkdownRenderer(false, false, false, false, false, false, "", "atlantis"),
+		MarkdownRenderer:     events.NewMarkdownRenderer(false, false, false, false, false, false, "", "atlantis", false),
 	}
 
 	autoMerger := &events.AutoMerger{
diff --git a/server/events/command_runner_test.go b/server/events/command_runner_test.go
index 0e33276832..227dca01cc 100644
--- a/server/events/command_runner_test.go
+++ b/server/events/command_runner_test.go
@@ -132,7 +132,7 @@ func setup(t *testing.T, options ...func(testConfig *TestConfig)) *vcsmocks.Mock
 	pullUpdater = &events.PullUpdater{
 		HidePrevPlanComments: false,
 		VCSClient:            vcsClient,
-		MarkdownRenderer:     events.NewMarkdownRenderer(false, false, false, false, false, false, "", "atlantis"),
+		MarkdownRenderer:     events.NewMarkdownRenderer(false, false, false, false, false, false, "", "atlantis", false),
 	}
 
 	autoMerger = &events.AutoMerger{
diff --git a/server/events/markdown_renderer.go b/server/events/markdown_renderer.go
index 5d8b6441dc..09542297a6 100644
--- a/server/events/markdown_renderer.go
+++ b/server/events/markdown_renderer.go
@@ -48,28 +48,30 @@ type MarkdownRenderer struct {
 	// gitlabSupportsCommonMark is true if the version of GitLab we're
 	// using supports the CommonMark markdown format.
 	// If we're not configured with a GitLab client, this will be false.
-	gitlabSupportsCommonMark bool
-	disableApplyAll          bool
-	disableApply             bool
-	disableMarkdownFolding   bool
-	disableRepoLocking       bool
-	enableDiffMarkdownFormat bool
-	markdownTemplates        *template.Template
-	executableName           string
+	gitlabSupportsCommonMark  bool
+	disableApplyAll           bool
+	disableApply              bool
+	disableMarkdownFolding    bool
+	disableRepoLocking        bool
+	enableDiffMarkdownFormat  bool
+	markdownTemplates         *template.Template
+	executableName            string
+	hideUnchangedPlanComments bool
 }
 
 // commonData is data that all responses have.
 type commonData struct {
-	Command                  string
-	SubCommand               string
-	Verbose                  bool
-	Log                      string
-	PlansDeleted             bool
-	DisableApplyAll          bool
-	DisableApply             bool
-	DisableRepoLocking       bool
-	EnableDiffMarkdownFormat bool
-	ExecutableName           string
+	Command                   string
+	SubCommand                string
+	Verbose                   bool
+	Log                       string
+	PlansDeleted              bool
+	DisableApplyAll           bool
+	DisableApply              bool
+	DisableRepoLocking        bool
+	EnableDiffMarkdownFormat  bool
+	ExecutableName            string
+	HideUnchangedPlanComments bool
 }
 
 // errData is data about an error response.
@@ -109,6 +111,7 @@ type projectResultTmplData struct {
 	RepoRelDir  string
 	ProjectName string
 	Rendered    string
+	NoChanges   bool
 }
 
 // Initialize templates
@@ -121,6 +124,7 @@ func NewMarkdownRenderer(
 	enableDiffMarkdownFormat bool,
 	markdownTemplateOverridesDir string,
 	executableName string,
+	hideUnchangedPlanComments bool,
 ) *MarkdownRenderer {
 	var templates *template.Template
 	templates, _ = template.New("").Funcs(sprig.TxtFuncMap()).ParseFS(templatesFS, "templates/*.tmpl")
@@ -129,14 +133,15 @@ func NewMarkdownRenderer(
 		templates = overrides
 	}
 	return &MarkdownRenderer{
-		gitlabSupportsCommonMark: gitlabSupportsCommonMark,
-		disableApplyAll:          disableApplyAll,
-		disableMarkdownFolding:   disableMarkdownFolding,
-		disableApply:             disableApply,
-		disableRepoLocking:       disableRepoLocking,
-		enableDiffMarkdownFormat: enableDiffMarkdownFormat,
-		markdownTemplates:        templates,
-		executableName:           executableName,
+		gitlabSupportsCommonMark:  gitlabSupportsCommonMark,
+		disableApplyAll:           disableApplyAll,
+		disableMarkdownFolding:    disableMarkdownFolding,
+		disableApply:              disableApply,
+		disableRepoLocking:        disableRepoLocking,
+		enableDiffMarkdownFormat:  enableDiffMarkdownFormat,
+		markdownTemplates:         templates,
+		executableName:            executableName,
+		hideUnchangedPlanComments: hideUnchangedPlanComments,
 	}
 }
 
@@ -145,16 +150,17 @@ func NewMarkdownRenderer(
 func (m *MarkdownRenderer) Render(res command.Result, cmdName command.Name, subCmd, log string, verbose bool, vcsHost models.VCSHostType) string {
 	commandStr := cases.Title(language.English).String(strings.Replace(cmdName.String(), "_", " ", -1))
 	common := commonData{
-		Command:                  commandStr,
-		SubCommand:               subCmd,
-		Verbose:                  verbose,
-		Log:                      log,
-		PlansDeleted:             res.PlansDeleted,
-		DisableApplyAll:          m.disableApplyAll || m.disableApply,
-		DisableApply:             m.disableApply,
-		DisableRepoLocking:       m.disableRepoLocking,
-		EnableDiffMarkdownFormat: m.enableDiffMarkdownFormat,
-		ExecutableName:           m.executableName,
+		Command:                   commandStr,
+		SubCommand:                subCmd,
+		Verbose:                   verbose,
+		Log:                       log,
+		PlansDeleted:              res.PlansDeleted,
+		DisableApplyAll:           m.disableApplyAll || m.disableApply,
+		DisableApply:              m.disableApply,
+		DisableRepoLocking:        m.disableRepoLocking,
+		EnableDiffMarkdownFormat:  m.enableDiffMarkdownFormat,
+		ExecutableName:            m.executableName,
+		HideUnchangedPlanComments: m.hideUnchangedPlanComments,
 	}
 
 	templates := m.markdownTemplates
@@ -197,6 +203,7 @@ func (m *MarkdownRenderer) renderProjectResults(results []command.ProjectResult,
 			} else {
 				resultData.Rendered = m.renderTemplateTrimSpace(templates.Lookup("planSuccessUnwrapped"), planSuccessData{PlanSuccess: *result.PlanSuccess, PlanWasDeleted: common.PlansDeleted, DisableApply: common.DisableApply, DisableRepoLocking: common.DisableRepoLocking, EnableDiffMarkdownFormat: common.EnableDiffMarkdownFormat})
 			}
+			resultData.NoChanges = result.PlanSuccess.NoChanges()
 			numPlanSuccesses++
 		} else if result.PolicyCheckSuccess != nil {
 			result.PolicyCheckSuccess.PolicyCheckOutput = strings.TrimSpace(result.PolicyCheckSuccess.PolicyCheckOutput)
diff --git a/server/events/markdown_renderer_test.go b/server/events/markdown_renderer_test.go
index c6fad8d4eb..9c0548ff91 100644
--- a/server/events/markdown_renderer_test.go
+++ b/server/events/markdown_renderer_test.go
@@ -57,7 +57,7 @@ func TestRenderErr(t *testing.T) {
 		},
 	}
 
-	r := events.NewMarkdownRenderer(false, false, false, false, false, false, "", "atlantis")
+	r := events.NewMarkdownRenderer(false, false, false, false, false, false, "", "atlantis", false)
 	for _, c := range cases {
 		res := command.Result{
 			Error: c.Error,
@@ -102,7 +102,7 @@ func TestRenderFailure(t *testing.T) {
 		},
 	}
 
-	r := events.NewMarkdownRenderer(false, false, false, false, false, false, "", "atlantis")
+	r := events.NewMarkdownRenderer(false, false, false, false, false, false, "", "atlantis", false)
 	for _, c := range cases {
 		res := command.Result{
 			Failure: c.Failure,
@@ -121,7 +121,7 @@ func TestRenderFailure(t *testing.T) {
 }
 
 func TestRenderErrAndFailure(t *testing.T) {
-	r := events.NewMarkdownRenderer(false, false, false, false, false, false, "", "atlantis")
+	r := events.NewMarkdownRenderer(false, false, false, false, false, false, "", "atlantis", false)
 	res := command.Result{
 		Error:   errors.New("error"),
 		Failure: "failure",
@@ -824,7 +824,7 @@ $$$
 		},
 	}
 
-	r := events.NewMarkdownRenderer(false, false, false, false, false, false, "", "atlantis")
+	r := events.NewMarkdownRenderer(false, false, false, false, false, false, "", "atlantis", false)
 	for _, c := range cases {
 		t.Run(c.Description, func(t *testing.T) {
 			res := command.Result{
@@ -979,6 +979,7 @@ $$$
 		false,      // enableDiffMarkdownFormat
 		"",         // MarkdownTemplateOverridesDir
 		"atlantis", // executableName
+		false,      // hideUnchangedPlanComments
 	)
 	for _, c := range cases {
 		t.Run(c.Description, func(t *testing.T) {
@@ -1127,6 +1128,7 @@ $$$
 		false,      // enableDiffMarkdownFormat
 		"",         // MarkdownTemplateOverridesDir
 		"atlantis", // executableName
+		false,      // hideUnchangedPlanComments
 	)
 	for _, c := range cases {
 		t.Run(c.Description, func(t *testing.T) {
@@ -1165,6 +1167,7 @@ func TestRenderCustomPolicyCheckTemplate_DisableApplyAll(t *testing.T) {
 		false,      // enableDiffMarkdownFormat
 		tmpDir,     // MarkdownTemplateOverridesDir
 		"atlantis", // executableName
+		false,      // hideUnchangedPlanComments
 	)
 
 	rendered := r.Render(command.Result{
@@ -1196,6 +1199,7 @@ func TestRenderProjectResults_DisableFolding(t *testing.T) {
 		false,      // enableDiffMarkdownFormat
 		"",         // MarkdownTemplateOverridesDir
 		"atlantis", // executableName
+		false,      // hideUnchangedPlanComments
 	)
 
 	rendered := mr.Render(command.Result{
@@ -1287,6 +1291,7 @@ func TestRenderProjectResults_WrappedErr(t *testing.T) {
 					false,                     // enableDiffMarkdownFormat
 					"",                        // MarkdownTemplateOverridesDir
 					"atlantis",                // executableName
+					false,                     // hideUnchangedPlanComments
 				)
 
 				rendered := mr.Render(command.Result{
@@ -1402,6 +1407,7 @@ func TestRenderProjectResults_WrapSingleProject(t *testing.T) {
 						false,                     // enableDiffMarkdownFormat
 						"",                        // MarkdownTemplateOverridesDir
 						"atlantis",                // executableName
+						false,                     // hideUnchangedPlanComments
 					)
 					var pr command.ProjectResult
 					switch cmd {
@@ -1509,6 +1515,7 @@ func TestRenderProjectResults_MultiProjectApplyWrapped(t *testing.T) {
 		false,      // enableDiffMarkdownFormat
 		"",         // MarkdownTemplateOverridesDir
 		"atlantis", // executableName
+		false,      // hideUnchangedPlanComments
 	)
 	tfOut := strings.Repeat("line\n", 13)
 	rendered := mr.Render(command.Result{
@@ -1564,6 +1571,7 @@ func TestRenderProjectResults_MultiProjectPlanWrapped(t *testing.T) {
 		false,      // enableDiffMarkdownFormat
 		"",         // MarkdownTemplateOverridesDir
 		"atlantis", // executableName
+		false,      // hideUnchangedPlanComments
 	)
 	tfOut := strings.Repeat("line\n", 13) + "Plan: 1 to add, 0 to change, 0 to destroy."
 	rendered := mr.Render(command.Result{
@@ -1739,6 +1747,7 @@ This plan was not saved because one or more projects failed and automerge requir
 				false,      // enableDiffMarkdownFormat
 				"",         // MarkdownTemplateOverridesDir
 				"atlantis", // executableName
+				false,      // hideUnchangedPlanComments
 			)
 			rendered := mr.Render(c.cr, command.Plan, "", "log", false, models.Github)
 			expWithBackticks := strings.Replace(c.exp, "$", "`", -1)
@@ -2197,6 +2206,7 @@ $$$
 		false,      // enableDiffMarkdownFormat
 		"",         // MarkdownTemplateOverridesDir
 		"atlantis", // executableName
+		false,      // hideUnchangedPlanComments
 	)
 	for _, c := range cases {
 		t.Run(c.Description, func(t *testing.T) {
@@ -2633,6 +2643,7 @@ func TestRenderProjectResultsWithEnableDiffMarkdownFormat(t *testing.T) {
 		true,       // enableDiffMarkdownFormat
 		"",         // MarkdownTemplateOverridesDir
 		"atlantis", // executableName
+		false,      // hideUnchangedPlanComments
 	)
 
 	for _, c := range cases {
@@ -2669,6 +2680,7 @@ func BenchmarkRenderProjectResultsWithEnableDiffMarkdownFormat(b *testing.B) {
 		true,       // enableDiffMarkdownFormat
 		"",         // MarkdownTemplateOverridesDir
 		"atlantis", // executableName
+		false,      // hideUnchangedPlanComments
 	)
 
 	for _, c := range cases {
@@ -2688,3 +2700,161 @@ func BenchmarkRenderProjectResultsWithEnableDiffMarkdownFormat(b *testing.B) {
 		})
 	}
 }
+
+func TestRenderProjectResultsHideUnchangedPlans(t *testing.T) {
+	cases := []struct {
+		Description    string
+		Command        command.Name
+		SubCommand     string
+		ProjectResults []command.ProjectResult
+		VCSHost        models.VCSHostType
+		Expected       string
+	}{
+		{
+			"multiple successful plans, hide unchanged plans",
+			command.Plan,
+			"",
+			[]command.ProjectResult{
+				{
+					Workspace:  "workspace",
+					RepoRelDir: "path",
+					PlanSuccess: &models.PlanSuccess{
+						TerraformOutput: "terraform-output",
+						LockURL:         "lock-url",
+						ApplyCmd:        "atlantis apply -d path -w workspace",
+						RePlanCmd:       "atlantis plan -d path -w workspace",
+					},
+				},
+				{
+					Workspace:   "workspace",
+					RepoRelDir:  "path2",
+					ProjectName: "projectname",
+					PlanSuccess: &models.PlanSuccess{
+						TerraformOutput: "No changes. Infrastructure is up-to-date.",
+						LockURL:         "lock-url2",
+						ApplyCmd:        "atlantis apply -d path2 -w workspace",
+						RePlanCmd:       "atlantis plan -d path2 -w workspace",
+					},
+				},
+				{
+					Workspace:   "workspace",
+					RepoRelDir:  "path3",
+					ProjectName: "projectname2",
+					PlanSuccess: &models.PlanSuccess{
+						TerraformOutput: "terraform-output3",
+						LockURL:         "lock-url3",
+						ApplyCmd:        "atlantis apply -d path3 -w workspace",
+						RePlanCmd:       "atlantis plan -d path3 -w workspace",
+					},
+				},
+			},
+			models.Github,
+			`Ran Plan for 3 projects:
+
+1. dir: $path$ workspace: $workspace$
+1. project: $projectname$ dir: $path2$ workspace: $workspace$
+1. project: $projectname2$ dir: $path3$ workspace: $workspace$
+
+### 1. dir: $path$ workspace: $workspace$
+$$$diff
+terraform-output
+$$$
+
+* :arrow_forward: To **apply** this plan, comment:
+    * $atlantis apply -d path -w workspace$
+* :put_litter_in_its_place: To **delete** this plan click [here](lock-url)
+* :repeat: To **plan** this project again, comment:
+    * $atlantis plan -d path -w workspace$
+
+---
+### 3. project: $projectname2$ dir: $path3$ workspace: $workspace$
+$$$diff
+terraform-output3
+$$$
+
+* :arrow_forward: To **apply** this plan, comment:
+    * $atlantis apply -d path3 -w workspace$
+* :put_litter_in_its_place: To **delete** this plan click [here](lock-url3)
+* :repeat: To **plan** this project again, comment:
+    * $atlantis plan -d path3 -w workspace$
+
+---
+* :fast_forward: To **apply** all unapplied plans from this pull request, comment:
+    * $atlantis apply$
+* :put_litter_in_its_place: To delete all plans and locks for the PR, comment:
+    * $atlantis unlock$
+`,
+		},
+		{
+			"multiple successful plans, hide unchanged plans, all plans are unchanged",
+			command.Plan,
+			"",
+			[]command.ProjectResult{
+				{
+					Workspace:  "workspace",
+					RepoRelDir: "path",
+					PlanSuccess: &models.PlanSuccess{
+						TerraformOutput: "No changes. Infrastructure is up-to-date.",
+						LockURL:         "lock-url",
+						ApplyCmd:        "atlantis apply -d path -w workspace",
+						RePlanCmd:       "atlantis plan -d path -w workspace",
+					},
+				},
+				{
+					Workspace:   "workspace",
+					RepoRelDir:  "path2",
+					ProjectName: "projectname",
+					PlanSuccess: &models.PlanSuccess{
+						TerraformOutput: "No changes. Infrastructure is up-to-date.",
+						LockURL:         "lock-url2",
+						ApplyCmd:        "atlantis apply -d path2 -w workspace",
+						RePlanCmd:       "atlantis plan -d path2 -w workspace",
+					},
+				},
+				{
+					Workspace:   "workspace",
+					RepoRelDir:  "path3",
+					ProjectName: "projectname2",
+					PlanSuccess: &models.PlanSuccess{
+						TerraformOutput: "No changes. Infrastructure is up-to-date.",
+						LockURL:         "lock-url3",
+						ApplyCmd:        "atlantis apply -d path3 -w workspace",
+						RePlanCmd:       "atlantis plan -d path3 -w workspace",
+					},
+				},
+			},
+			models.Github,
+			`Ran Plan for 3 projects:
+
+1. dir: $path$ workspace: $workspace$
+1. project: $projectname$ dir: $path2$ workspace: $workspace$
+1. project: $projectname2$ dir: $path3$ workspace: $workspace$
+
+* :fast_forward: To **apply** all unapplied plans from this pull request, comment:
+    * $atlantis apply$
+* :put_litter_in_its_place: To delete all plans and locks for the PR, comment:
+    * $atlantis unlock$
+`,
+		},
+	}
+
+	r := events.NewMarkdownRenderer(false, false, false, false, false, false, "", "atlantis", true)
+	for _, c := range cases {
+		t.Run(c.Description, func(t *testing.T) {
+			res := command.Result{
+				ProjectResults: c.ProjectResults,
+			}
+			for _, verbose := range []bool{true, false} {
+				t.Run(c.Description, func(t *testing.T) {
+					s := r.Render(res, c.Command, c.SubCommand, "log", verbose, c.VCSHost)
+					expWithBackticks := strings.Replace(c.Expected, "$", "`", -1)
+					if !verbose {
+						Equals(t, strings.TrimSpace(expWithBackticks), strings.TrimSpace(s))
+					} else {
+						Equals(t, expWithBackticks+"\n<details><summary>Log</summary>\n  <p>\n\n```\nlog```\n</p></details>", s)
+					}
+				})
+			}
+		})
+	}
+}
diff --git a/server/events/models/models.go b/server/events/models/models.go
index 6c45795be8..66ecb47d0b 100644
--- a/server/events/models/models.go
+++ b/server/events/models/models.go
@@ -390,6 +390,11 @@ func (p *PlanSuccess) DiffSummary() string {
 	return reNoChanges.FindString(p.TerraformOutput)
 }
 
+// NoChanges returns true if the plan has no changes.
+func (p *PlanSuccess) NoChanges() bool {
+	return reNoChanges.MatchString(p.TerraformOutput)
+}
+
 // Diff Markdown regexes
 var (
 	diffKeywordRegex = regexp.MustCompile(`(?m)^( +)([-+~]\s)(.*)(\s=\s|\s->\s|<<|\{|\(known after apply\)| {2,}[^ ]+:.*)(.*)`)
diff --git a/server/events/templates/multi_project_plan.tmpl b/server/events/templates/multi_project_plan.tmpl
index 5a72db37c5..2693b8a518 100644
--- a/server/events/templates/multi_project_plan.tmpl
+++ b/server/events/templates/multi_project_plan.tmpl
@@ -1,7 +1,9 @@
 {{ define "multiProjectPlan" -}}
 {{ template "multiProjectHeader" . }}
 {{ $disableApplyAll := .DisableApplyAll -}}
+{{ $hideUnchangedPlans := .HideUnchangedPlanComments -}}
 {{ range $i, $result := .Results -}}
+{{ if (and $hideUnchangedPlans $result.NoChanges) }}{{continue}}{{end -}}
 ### {{ add $i 1 }}. {{ if $result.ProjectName }}project: `{{ $result.ProjectName }}` {{ end }}dir: `{{ $result.RepoRelDir }}` workspace: `{{ $result.Workspace }}`
 {{ $result.Rendered }}
 
diff --git a/server/server.go b/server/server.go
index 54e40e0d42..27825b6776 100644
--- a/server/server.go
+++ b/server/server.go
@@ -422,6 +422,7 @@ func NewServer(userConfig UserConfig, config Config) (*Server, error) {
 		userConfig.EnableDiffMarkdownFormat,
 		userConfig.MarkdownTemplateOverridesDir,
 		userConfig.ExecutableName,
+		userConfig.HideUnchangedPlanComments,
 	)
 
 	var lockingClient locking.Locker
diff --git a/server/user_config.go b/server/user_config.go
index e75f2bd5a7..8f7b1deed2 100644
--- a/server/user_config.go
+++ b/server/user_config.go
@@ -41,6 +41,7 @@ type UserConfig struct {
 	EnableRegExpCmd                 bool   `mapstructure:"enable-regexp-cmd"`
 	EnableDiffMarkdownFormat        bool   `mapstructure:"enable-diff-markdown-format"`
 	ExecutableName                  string `mapstructure:"executable-name"`
+	HideUnchangedPlanComments       bool   `mapstructure:"hide-unchanged-plan-comments"`
 	GithubAllowMergeableBypassApply bool   `mapstructure:"gh-allow-mergeable-bypass-apply"`
 	GithubHostname                  string `mapstructure:"gh-hostname"`
 	GithubToken                     string `mapstructure:"gh-token"`