diff --git a/cmd/harbor/root/artifact/list.go b/cmd/harbor/root/artifact/list.go
index 22be9278..5c6fb33f 100644
--- a/cmd/harbor/root/artifact/list.go
+++ b/cmd/harbor/root/artifact/list.go
@@ -11,6 +11,8 @@ import (
 )
 
 func ListArtifactCommand() *cobra.Command {
+	var opts api.ListFlags
+
 	cmd := &cobra.Command{
 		Use:   "list",
 		Short: "list artifacts within a repository",
@@ -21,11 +23,11 @@ func ListArtifactCommand() *cobra.Command {
 
 			if len(args) > 0 {
 				projectName, repoName := utils.ParseProjectRepo(args[0])
-				resp, err = api.ListArtifact(projectName, repoName)
+				resp, err = api.ListArtifact(projectName, repoName, opts)
 			} else {
 				projectName := prompt.GetProjectNameFromUser()
 				repoName := prompt.GetRepoNameFromUser(projectName)
-				resp, err = api.ListArtifact(projectName, repoName)
+				resp, err = api.ListArtifact(projectName, repoName, opts)
 			}
 
 			if err != nil {
@@ -35,5 +37,11 @@ func ListArtifactCommand() *cobra.Command {
 		},
 	}
 
+	flags := cmd.Flags()
+	flags.Int64VarP(&opts.Page, "page", "p", 1, "Page number")
+	flags.Int64VarP(&opts.PageSize, "page-size", "n", 10, "Size of per page")
+	flags.StringVarP(&opts.Q, "query", "q", "", "Query string to query resources")
+	flags.StringVarP(&opts.Sort, "sort", "s", "", "Sort the resource list in ascending or descending order")
+
 	return cmd
 }
diff --git a/cmd/harbor/root/user/delete.go b/cmd/harbor/root/user/delete.go
index 1b5afc8a..43c24528 100644
--- a/cmd/harbor/root/user/delete.go
+++ b/cmd/harbor/root/user/delete.go
@@ -1,8 +1,6 @@
 package user
 
 import (
-	"strconv"
-
 	"github.com/goharbor/harbor-cli/pkg/api"
 	"github.com/goharbor/harbor-cli/pkg/prompt"
 	log "github.com/sirupsen/logrus"
@@ -17,8 +15,8 @@ func UserDeleteCmd() *cobra.Command {
 		Run: func(cmd *cobra.Command, args []string) {
 			var err error
 			if len(args) > 0 {
-				userId, _ := strconv.ParseInt(args[0], 10, 64)
-				err = api.DeleteUser(userId)
+				userName, _ := api.GetUsersIdByName(args[0])
+				err = api.DeleteUser(userName)
 
 			} else {
 				userId := prompt.GetUserIdFromUser()
diff --git a/cmd/harbor/root/user/elevate.go b/cmd/harbor/root/user/elevate.go
index 25cc7299..66a38567 100644
--- a/cmd/harbor/root/user/elevate.go
+++ b/cmd/harbor/root/user/elevate.go
@@ -1,8 +1,6 @@
 package user
 
 import (
-	"strconv"
-
 	"github.com/goharbor/harbor-cli/pkg/api"
 	"github.com/goharbor/harbor-cli/pkg/prompt"
 	"github.com/goharbor/harbor-cli/pkg/views"
@@ -20,7 +18,7 @@ func ElevateUserCmd() *cobra.Command {
 			var err error
 			var userId int64
 			if len(args) > 0 {
-				userId, _ = strconv.ParseInt(args[0], 10, 64)
+				userId, _ = api.GetUsersIdByName(args[0])
 
 			} else {
 				userId = prompt.GetUserIdFromUser()
diff --git a/cmd/harbor/root/user/list.go b/cmd/harbor/root/user/list.go
index b9f356e9..d8a81aab 100644
--- a/cmd/harbor/root/user/list.go
+++ b/cmd/harbor/root/user/list.go
@@ -10,13 +10,15 @@ import (
 )
 
 func UserListCmd() *cobra.Command {
+	var opts api.ListFlags
+
 	cmd := &cobra.Command{
 		Use:     "list",
 		Short:   "list users",
 		Args:    cobra.NoArgs,
 		Aliases: []string{"ls"},
 		Run: func(cmd *cobra.Command, args []string) {
-			response, err := api.ListUsers()
+			response, err := api.ListUsers(opts)
 			if err != nil {
 				log.Errorf("failed to list users: %v", err)
 				return
@@ -30,6 +32,12 @@ func UserListCmd() *cobra.Command {
 		},
 	}
 
+	flags := cmd.Flags()
+	flags.Int64VarP(&opts.Page, "page", "p", 1, "Page number")
+	flags.Int64VarP(&opts.PageSize, "page-size", "n", 10, "Size of per page")
+	flags.StringVarP(&opts.Q, "query", "q", "", "Query string to query resources")
+	flags.StringVarP(&opts.Sort, "sort", "s", "", "Sort the resource list in ascending or descending order")
+
 	return cmd
 
 }
diff --git a/pkg/api/artifact_handler.go b/pkg/api/artifact_handler.go
index cdfc6764..a6fa1391 100644
--- a/pkg/api/artifact_handler.go
+++ b/pkg/api/artifact_handler.go
@@ -51,15 +51,23 @@ func InfoArtifact(projectName, repoName, reference string) error {
 }
 
 // RunListArtifact lists all artifacts in a repository.
-func ListArtifact(projectName, repoName string) (artifact.ListArtifactsOK, error) {
+func ListArtifact(projectName, repoName string, opts ...ListFlags) (artifact.ListArtifactsOK, error) {
 	ctx, client, err := utils.ContextWithClient()
 	if err != nil {
 		return artifact.ListArtifactsOK{}, err
 	}
 
+	var listFlags ListFlags
+	if len(opts) > 0 {
+		listFlags = opts[0]
+	}
 	response, err := client.Artifact.ListArtifacts(ctx, &artifact.ListArtifactsParams{
 		ProjectName:    projectName,
 		RepositoryName: repoName,
+		Page:           &listFlags.Page,
+		PageSize:       &listFlags.PageSize,
+		Q:              &listFlags.Q,
+		Sort:           &listFlags.Sort,
 	})
 	if err != nil {
 		return artifact.ListArtifactsOK{}, err
diff --git a/pkg/api/user_handler.go b/pkg/api/user_handler.go
index 4b599420..b1e8a7d6 100644
--- a/pkg/api/user_handler.go
+++ b/pkg/api/user_handler.go
@@ -67,17 +67,42 @@ func ElevateUser(userId int64) error {
 	return nil
 }
 
-func ListUsers() (*user.ListUsersOK, error) {
+func ListUsers(opts ...ListFlags) (*user.ListUsersOK, error) {
 	ctx, client, err := utils.ContextWithClient()
 	if err != nil {
 		return nil, err
 	}
+	var listFlags ListFlags
+	if len(opts) > 0 {
+		listFlags = opts[0]
+	}
 
-	response, err := client.User.ListUsers(ctx, &user.ListUsersParams{})
-
+	response, err := client.User.ListUsers(ctx, &user.ListUsersParams{
+		Page:     &listFlags.Page,
+		PageSize: &listFlags.PageSize,
+		Q:        &listFlags.Q,
+		Sort:     &listFlags.Sort,
+	})
 	if err != nil {
 		return nil, err
 	}
 
 	return response, nil
 }
+
+func GetUsersIdByName(userName string) (int64, error) {
+	var opts ListFlags
+
+	u, err := ListUsers(opts)
+	if err != nil {
+		return 0, err
+	}
+
+	for _, user := range u.Payload {
+		if user.Username == userName {
+			return user.UserID, nil
+		}
+	}
+
+	return 0, err
+}