diff --git a/common/changes/office-ui-fabric-react/chiechan-stopAgressiveFocusInMenus_2018-08-15-02-03.json b/common/changes/office-ui-fabric-react/chiechan-stopAgressiveFocusInMenus_2018-08-15-02-03.json
new file mode 100644
index 00000000000000..aeb2df3bfa8706
--- /dev/null
+++ b/common/changes/office-ui-fabric-react/chiechan-stopAgressiveFocusInMenus_2018-08-15-02-03.json
@@ -0,0 +1,11 @@
+{
+  "changes": [
+    {
+      "packageName": "office-ui-fabric-react",
+      "comment": "BaseButton: Add onFocusCapture to the split button container to focus the container instead of doing it in the menu onClick",
+      "type": "patch"
+    }
+  ],
+  "packageName": "office-ui-fabric-react",
+  "email": "chiechan@microsoft.com"
+}
diff --git a/packages/office-ui-fabric-react/src/components/Button/BaseButton.tsx b/packages/office-ui-fabric-react/src/components/Button/BaseButton.tsx
index 00ce6d9c4cfba3..dd4685fed1b403 100644
--- a/packages/office-ui-fabric-react/src/components/Button/BaseButton.tsx
+++ b/packages/office-ui-fabric-react/src/components/Button/BaseButton.tsx
@@ -453,10 +453,6 @@ export class BaseButton extends BaseComponent<IBaseButtonProps, IBaseButtonState
   };
 
   private _onToggleMenu = (shouldFocusOnContainer: boolean): void => {
-    if (this._splitButtonContainer.current) {
-      this._splitButtonContainer.current.focus();
-    }
-
     const currentMenuProps = this.state.menuProps;
     let shouldFocusOnMount = true;
     if (this.props.menuProps && this.props.menuProps.shouldFocusOnMount === false) {
@@ -523,6 +519,7 @@ export class BaseButton extends BaseComponent<IBaseButtonProps, IBaseButtonState
             onClick={!disabled && !primaryDisabled ? this._onSplitButtonPrimaryClick : undefined}
             tabIndex={!disabled || allowDisabledFocus ? 0 : undefined}
             aria-roledescription={buttonProps['aria-roledescription']}
+            onFocusCapture={this._onSplitContainerFocusCapture}
           >
             <span style={{ display: 'flex' }}>
               {this._onRenderContent(tag, buttonProps)}
@@ -535,6 +532,12 @@ export class BaseButton extends BaseComponent<IBaseButtonProps, IBaseButtonState
     );
   }
 
+  private _onSplitContainerFocusCapture = (ev: React.FocusEvent<HTMLDivElement>) => {
+    // We should never be able to focus the individual buttons in a split button. Focus
+    // should always remain on the container.
+    this._splitButtonContainer.current && this._splitButtonContainer.current.focus();
+  };
+
   private _onSplitButtonPrimaryClick = (ev: React.MouseEvent<HTMLDivElement>) => {
     if (this._isExpanded) {
       this._dismissMenu();
diff --git a/packages/office-ui-fabric-react/src/components/__snapshots__/Button.CommandBar.Example.tsx.shot b/packages/office-ui-fabric-react/src/components/__snapshots__/Button.CommandBar.Example.tsx.shot
index 07d07716619ea4..7b8cbf6891881b 100644
--- a/packages/office-ui-fabric-react/src/components/__snapshots__/Button.CommandBar.Example.tsx.shot
+++ b/packages/office-ui-fabric-react/src/components/__snapshots__/Button.CommandBar.Example.tsx.shot
@@ -237,6 +237,7 @@ exports[`Component Examples renders Button.CommandBar.Example.tsx correctly 1`]
       data-is-focusable={true}
       data-ktp-target={undefined}
       onClick={[Function]}
+      onFocusCapture={[Function]}
       onKeyDown={[Function]}
       onTouchStart={[Function]}
       role="button"
diff --git a/packages/office-ui-fabric-react/src/components/__snapshots__/Button.Split.Example.tsx.shot b/packages/office-ui-fabric-react/src/components/__snapshots__/Button.Split.Example.tsx.shot
index 339397489c928a..2aefff8d3eac93 100644
--- a/packages/office-ui-fabric-react/src/components/__snapshots__/Button.Split.Example.tsx.shot
+++ b/packages/office-ui-fabric-react/src/components/__snapshots__/Button.Split.Example.tsx.shot
@@ -84,6 +84,7 @@ exports[`Component Examples renders Button.Split.Example.tsx correctly 1`] = `
       data-is-focusable={true}
       data-ktp-target={undefined}
       onClick={[Function]}
+      onFocusCapture={[Function]}
       onKeyDown={[Function]}
       onTouchStart={[Function]}
       role="button"
@@ -387,6 +388,7 @@ exports[`Component Examples renders Button.Split.Example.tsx correctly 1`] = `
       data-is-focusable={true}
       data-ktp-target={undefined}
       onClick={[Function]}
+      onFocusCapture={[Function]}
       onKeyDown={[Function]}
       onTouchStart={[Function]}
       role="button"
@@ -700,6 +702,7 @@ exports[`Component Examples renders Button.Split.Example.tsx correctly 1`] = `
       data-is-focusable={true}
       data-ktp-target={undefined}
       onClick={undefined}
+      onFocusCapture={[Function]}
       onKeyDown={[Function]}
       onTouchStart={[Function]}
       role="button"
@@ -1004,6 +1007,7 @@ exports[`Component Examples renders Button.Split.Example.tsx correctly 1`] = `
       data-is-focusable={true}
       data-ktp-target={undefined}
       onClick={undefined}
+      onFocusCapture={[Function]}
       onKeyDown={[Function]}
       onTouchStart={[Function]}
       role="button"
@@ -1317,6 +1321,7 @@ exports[`Component Examples renders Button.Split.Example.tsx correctly 2`] = `
     data-is-focusable={true}
     data-ktp-target={undefined}
     onClick={[Function]}
+    onFocusCapture={[Function]}
     onKeyDown={[Function]}
     onTouchStart={[Function]}
     role="button"
diff --git a/packages/office-ui-fabric-react/src/components/__snapshots__/FocusZone.Tabbable.Example.tsx.shot b/packages/office-ui-fabric-react/src/components/__snapshots__/FocusZone.Tabbable.Example.tsx.shot
index 606538cfc0caff..d614d8e2196fa1 100644
--- a/packages/office-ui-fabric-react/src/components/__snapshots__/FocusZone.Tabbable.Example.tsx.shot
+++ b/packages/office-ui-fabric-react/src/components/__snapshots__/FocusZone.Tabbable.Example.tsx.shot
@@ -523,6 +523,7 @@ exports[`Component Examples renders FocusZone.Tabbable.Example.tsx correctly 1`]
         data-is-focusable={true}
         data-ktp-target={undefined}
         onClick={[Function]}
+        onFocusCapture={[Function]}
         onKeyDown={[Function]}
         onTouchStart={[Function]}
         role="button"
diff --git a/packages/office-ui-fabric-react/src/components/__snapshots__/Keytips.Button.Example.tsx.shot b/packages/office-ui-fabric-react/src/components/__snapshots__/Keytips.Button.Example.tsx.shot
index ba3cccb2928f7d..f1fea458aee348 100644
--- a/packages/office-ui-fabric-react/src/components/__snapshots__/Keytips.Button.Example.tsx.shot
+++ b/packages/office-ui-fabric-react/src/components/__snapshots__/Keytips.Button.Example.tsx.shot
@@ -463,6 +463,7 @@ exports[`Component Examples renders Keytips.Button.Example.tsx correctly 1`] = `
     data-is-focusable={true}
     data-ktp-target="ktp-2-b"
     onClick={[Function]}
+    onFocusCapture={[Function]}
     onKeyDown={[Function]}
     onTouchStart={[Function]}
     role="button"