diff --git a/CHANGELOG.md b/CHANGELOG.md
index a09bc0e29bb..1966f1e9e34 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -1,5 +1,7 @@
 ## [`master`](https://github.com/elastic/eui/tree/master)
 
+- Added `fold` and `unfold` glyphs to `EuiIcon` ([#3994](https://github.com/elastic/eui/pull/3994))
+
 **Bug fixes**
 
 - Fixed bug in `EuiComboBox` where the input was dropping to the next line when a `EuiBadge` had a very long text ([#3968](https://github.com/elastic/eui/pull/3968))
diff --git a/src-docs/src/views/icon/icons.js b/src-docs/src/views/icon/icons.js
index 1dca84979f7..d3b7425fb6c 100644
--- a/src-docs/src/views/icon/icons.js
+++ b/src-docs/src/views/icon/icons.js
@@ -82,6 +82,7 @@ export const iconTypes = [
   'faceSad',
   'filter',
   'flag',
+  'fold',
   'folderCheck',
   'folderClosed',
   'folderExclamation',
@@ -202,6 +203,7 @@ export const iconTypes = [
   'timeline',
   'training',
   'trash',
+  'unfold',
   'unlink',
   'user',
   'users',
diff --git a/src/components/icon/__snapshots__/icon.test.tsx.snap b/src/components/icon/__snapshots__/icon.test.tsx.snap
index 13dc9ab3dee..a70787226cf 100644
--- a/src/components/icon/__snapshots__/icon.test.tsx.snap
+++ b/src/components/icon/__snapshots__/icon.test.tsx.snap
@@ -2451,6 +2451,21 @@ exports[`EuiIcon props type flag is rendered 1`] = `
 </svg>
 `;
 
+exports[`EuiIcon props type fold is rendered 1`] = `
+<svg
+  aria-hidden="true"
+  class="euiIcon euiIcon--medium euiIcon-isLoaded"
+  focusable="false"
+  role="img"
+  viewBox="0 0 16 16"
+  xmlns="http://www.w3.org/2000/svg"
+>
+  <path
+    d="M5.14.192L7.53 2.49a.67.67 0 00.942 0L10.86.192a.677.677 0 01.944 0 .65.65 0 010 .93l-2.388 2.3a2.02 2.02 0 01-2.832 0l-2.388-2.3a.65.65 0 010-.93.677.677 0 01.944 0zm0 15.616l2.39-2.298a.67.67 0 01.942 0l2.389 2.298c.26.256.685.256.944 0a.65.65 0 000-.93l-2.388-2.3a2.02 2.02 0 00-2.832 0l-2.388 2.3a.65.65 0 000 .93c.26.256.683.256.944 0zM16 6H0v4h16V6zM1 9V7h14v2H1z"
+  />
+</svg>
+`;
+
 exports[`EuiIcon props type folderCheck is rendered 1`] = `
 <svg
   aria-hidden="true"
@@ -8643,6 +8658,21 @@ exports[`EuiIcon props type trash is rendered 1`] = `
 </svg>
 `;
 
+exports[`EuiIcon props type unfold is rendered 1`] = `
+<svg
+  aria-hidden="true"
+  class="euiIcon euiIcon--medium euiIcon-isLoaded"
+  focusable="false"
+  role="img"
+  viewBox="0 0 16 16"
+  xmlns="http://www.w3.org/2000/svg"
+>
+  <path
+    d="M5.14 3.808L7.53 1.51a.67.67 0 01.942 0l2.389 2.298c.26.256.685.256.944 0a.65.65 0 000-.93L9.416.578a2.02 2.02 0 00-2.832 0l-2.388 2.3a.65.65 0 000 .93c.26.256.683.256.944 0zm0 8.384l2.39 2.298a.67.67 0 00.942 0l2.389-2.298a.677.677 0 01.944 0 .65.65 0 010 .93l-2.388 2.3a2.02 2.02 0 01-2.832 0l-2.388-2.3a.65.65 0 010-.93.677.677 0 01.944 0zM16 6H0v4h16V6zM1 9V7h14v2H1z"
+  />
+</svg>
+`;
+
 exports[`EuiIcon props type unlink is rendered 1`] = `
 <svg
   aria-hidden="true"
diff --git a/src/components/icon/assets/fold.js b/src/components/icon/assets/fold.js
new file mode 100644
index 00000000000..99f02597ffa
--- /dev/null
+++ b/src/components/icon/assets/fold.js
@@ -0,0 +1,14 @@
+import React from 'react';
+
+const EuiIconFold = ({ title, titleId, ...props }) => (
+  <svg
+    viewBox="0 0 16 16"
+    xmlns="http://www.w3.org/2000/svg"
+    aria-labelledby={titleId}
+    {...props}>
+    {title ? <title id={titleId}>{title}</title> : null}
+    <path d="M5.14.192L7.53 2.49a.67.67 0 00.942 0L10.86.192a.677.677 0 01.944 0 .65.65 0 010 .93l-2.388 2.3a2.02 2.02 0 01-2.832 0l-2.388-2.3a.65.65 0 010-.93.677.677 0 01.944 0zm0 15.616l2.39-2.298a.67.67 0 01.942 0l2.389 2.298c.26.256.685.256.944 0a.65.65 0 000-.93l-2.388-2.3a2.02 2.02 0 00-2.832 0l-2.388 2.3a.65.65 0 000 .93c.26.256.683.256.944 0zM16 6H0v4h16V6zM1 9V7h14v2H1z" />
+  </svg>
+);
+
+export const icon = EuiIconFold;
diff --git a/src/components/icon/assets/fold.svg b/src/components/icon/assets/fold.svg
new file mode 100644
index 00000000000..dd308e69ef1
--- /dev/null
+++ b/src/components/icon/assets/fold.svg
@@ -0,0 +1 @@
+<svg viewBox="0 0 16 16" xmlns="http://www.w3.org/2000/svg"><path d="M5.14.192L7.53 2.49a.67.67 0 00.942 0L10.86.192a.677.677 0 01.944 0 .65.65 0 010 .93l-2.388 2.3a2.02 2.02 0 01-2.832 0l-2.388-2.3a.65.65 0 010-.93.677.677 0 01.944 0zm0 15.616L7.53 13.51a.67.67 0 01.942 0l2.389 2.298c.26.256.685.256.944 0a.65.65 0 000-.93l-2.388-2.3a2.02 2.02 0 00-2.832 0l-2.388 2.3a.65.65 0 000 .93c.26.256.683.256.944 0zM16 6H0v4h16V6zM1 9V7h14v2H1z"/></svg>
\ No newline at end of file
diff --git a/src/components/icon/assets/unfold.js b/src/components/icon/assets/unfold.js
new file mode 100644
index 00000000000..6cba2b9bd8f
--- /dev/null
+++ b/src/components/icon/assets/unfold.js
@@ -0,0 +1,14 @@
+import React from 'react';
+
+const EuiIconUnfold = ({ title, titleId, ...props }) => (
+  <svg
+    viewBox="0 0 16 16"
+    xmlns="http://www.w3.org/2000/svg"
+    aria-labelledby={titleId}
+    {...props}>
+    {title ? <title id={titleId}>{title}</title> : null}
+    <path d="M5.14 3.808L7.53 1.51a.67.67 0 01.942 0l2.389 2.298c.26.256.685.256.944 0a.65.65 0 000-.93L9.416.578a2.02 2.02 0 00-2.832 0l-2.388 2.3a.65.65 0 000 .93c.26.256.683.256.944 0zm0 8.384l2.39 2.298a.67.67 0 00.942 0l2.389-2.298a.677.677 0 01.944 0 .65.65 0 010 .93l-2.388 2.3a2.02 2.02 0 01-2.832 0l-2.388-2.3a.65.65 0 010-.93.677.677 0 01.944 0zM16 6H0v4h16V6zM1 9V7h14v2H1z" />
+  </svg>
+);
+
+export const icon = EuiIconUnfold;
diff --git a/src/components/icon/assets/unfold.svg b/src/components/icon/assets/unfold.svg
new file mode 100644
index 00000000000..ef6f1835e66
--- /dev/null
+++ b/src/components/icon/assets/unfold.svg
@@ -0,0 +1 @@
+<svg viewBox="0 0 16 16" xmlns="http://www.w3.org/2000/svg"><path d="M5.14 3.808L7.53 1.51a.67.67 0 01.942 0l2.389 2.298c.26.256.685.256.944 0a.65.65 0 000-.93L9.416.578a2.02 2.02 0 00-2.832 0l-2.388 2.3a.65.65 0 000 .93c.26.256.683.256.944 0zm0 8.384L7.53 14.49a.67.67 0 00.942 0l2.389-2.298a.677.677 0 01.944 0 .65.65 0 010 .93l-2.388 2.3a2.02 2.02 0 01-2.832 0l-2.388-2.3a.65.65 0 010-.93.677.677 0 01.944 0zM16 6H0v4h16V6zM1 9V7h14v2H1z"/></svg>
\ No newline at end of file
diff --git a/src/components/icon/icon.tsx b/src/components/icon/icon.tsx
index 658f107890c..27e1f640d35 100644
--- a/src/components/icon/icon.tsx
+++ b/src/components/icon/icon.tsx
@@ -146,6 +146,7 @@ const typeToPathMap = {
   filebeatApp: 'app_filebeat',
   filter: 'filter',
   flag: 'flag',
+  fold: 'fold',
   folderCheck: 'folder_check',
   folderClosed: 'folder_closed',
   folderExclamation: 'folder_exclamation',
@@ -356,6 +357,7 @@ const typeToPathMap = {
   trash: 'trash',
   upgradeAssistantApp: 'app_upgrade_assistant',
   uptimeApp: 'app_uptime',
+  unfold: 'unfold',
   unlink: 'unlink',
   user: 'user',
   users: 'users',