diff --git a/web/settings/account-settings.css b/web/settings/account-settings.css
--- a/web/settings/account-settings.css
+++ b/web/settings/account-settings.css
@@ -18,6 +18,9 @@
   color: var(--account-settings-label);
   border-bottom: 1px solid var(--border-color);
   padding: 24px 16px 16px;
+  display: flex;
+  flex-direction: row;
+  justify-content: space-between;
 }
 
 .logoutContainer {
@@ -34,3 +37,13 @@
 .username {
   color: var(--fg);
 }
+
+.button {
+  color: var(--account-button-color);
+  background-color: transparent;
+  font-size: var(--m-font-16);
+  border: none;
+  cursor: pointer;
+  line-height: var(--line-height-text);
+  white-space: nowrap;
+}
diff --git a/web/settings/account-settings.react.js b/web/settings/account-settings.react.js
--- a/web/settings/account-settings.react.js
+++ b/web/settings/account-settings.react.js
@@ -2,10 +2,20 @@
 
 import * as React from 'react';
 
+import { logOut } from 'lib/actions/user-actions';
+import { preRequestUserStateSelector } from 'lib/selectors/account-selectors';
+import { useServerCall } from 'lib/utils/action-utils';
+
 import { useSelector } from '../redux/redux-utils';
 import css from './account-settings.css';
 
 function AccountSettings(): React.Node {
+  const sendLogoutRequest = useServerCall(logOut);
+  const preRequestUserState = useSelector(preRequestUserStateSelector);
+  const logOutUser = React.useCallback(() => {
+    sendLogoutRequest(preRequestUserState);
+  }, [sendLogoutRequest, preRequestUserState]);
+
   const currentUserInfo = useSelector(state => state.currentUserInfo);
   if (!currentUserInfo || currentUserInfo.anonymous) {
     return null;
@@ -22,6 +32,9 @@
               <span className={css.logoutLabel}>{'Logged in as '}</span>
               <span className={css.username}>{username}</span>
             </p>
+            <button className={css.button} onClick={logOutUser}>
+              Log out
+            </button>
           </li>
         </ul>
       </div>
diff --git a/web/theme.css b/web/theme.css
--- a/web/theme.css
+++ b/web/theme.css
@@ -109,4 +109,5 @@
   --thread-menu-color-dangerous: var(--error-primary);
   --thread-menu-color-dangerous-hover: var(--error-light-50);
   --account-settings-label: var(--shades-black-60);
+  --account-button-color: var(--violet-dark-100);
 }