diff --git a/CHANGELOG.md b/CHANGELOG.md
index cf6f286669f..20cacee8923 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -3,6 +3,7 @@
 **Bug fixes**
 
 - Fixed `EuiDroppable` not accepting multiple children when using TypeScript ([#2634](https://github.com/elastic/eui/pull/2634))
+- Fixed `EuiComboBox` from submitting parent `form` element when selecting options via `Enter` key ([#2642](https://github.com/elastic/eui/pull/2642)) 
 
 ## [`17.1.2`](https://github.com/elastic/eui/tree/v17.1.2)
 
diff --git a/src/components/combo_box/combo_box.js b/src/components/combo_box/combo_box.js
index 5aa2e79df2d..5a9c480a797 100644
--- a/src/components/combo_box/combo_box.js
+++ b/src/components/combo_box/combo_box.js
@@ -387,6 +387,7 @@ export class EuiComboBox extends Component {
         break;
 
       case comboBoxKeyCodes.ENTER:
+        e.preventDefault();
         e.stopPropagation();
         if (this.hasActiveOption()) {
           this.onAddOption(