diff --git a/packages/primitives/src/CustomNavBar/UserProfile.tsx b/packages/primitives/src/CustomNavBar/UserProfile.tsx
index c6276df82..85a43dba5 100644
--- a/packages/primitives/src/CustomNavBar/UserProfile.tsx
+++ b/packages/primitives/src/CustomNavBar/UserProfile.tsx
@@ -9,8 +9,8 @@ import Divider from '@mui/material/Divider';
 import Button from '@mui/material/Button';
 import get from 'lodash/get';
 import LogoutLogo from '@clients/ui-atoms/LogoutLogo';
-import { useFlyteApi } from '@clients/flyte-api/ApiProvider';
 import { Flyte } from '../types/flyteTypes';
+import { SignOutPanel } from '../SessionManagent/SignOutPanel';
 
 const StyledAvatar = styled(Avatar)(({ theme }) => ({
   background: 'transparent',
@@ -67,7 +67,7 @@ export interface UserProfileProps {
 /** Displays User name when user is logged in - would be used as User settings entry in future */
 export const UserProfile = ({ profile }: UserProfileProps) => {
   const [anchorEl, setAnchorEl] = useState<Element | null>(null);
-  const apiContext = useFlyteApi();
+  const [signOutOpen, setSignOutOpen] = useState(false);
 
   const handlePopoverOpen: MouseEventHandler = (event) => {
     setAnchorEl(event.currentTarget);
@@ -139,7 +139,10 @@ export const UserProfile = ({ profile }: UserProfileProps) => {
                 variant="text"
                 color="inherit"
                 className="actionButton"
-                href={apiContext.getLogoutUrl()}
+                onClick={() => {
+                  handlePopoverClose();
+                  setSignOutOpen(true);
+                }}
                 data-cy="logout-button"
                 startIcon={<LogoutLogo className="logoutIcon" />}
               >
@@ -149,6 +152,9 @@ export const UserProfile = ({ profile }: UserProfileProps) => {
           </Box>
         </Popover>
       </AvatarWrapper>
+
+      {/* Outside the Popover so closing the menu doesn't unmount the dialog. */}
+      <SignOutPanel open={signOutOpen} onCancel={() => setSignOutOpen(false)} />
     </>
   );
 };
diff --git a/packages/primitives/src/SessionManagent/LoginPanel.tsx b/packages/primitives/src/SessionManagent/LoginPanel.tsx
index 25cdf8746..82034a663 100644
--- a/packages/primitives/src/SessionManagent/LoginPanel.tsx
+++ b/packages/primitives/src/SessionManagent/LoginPanel.tsx
@@ -1,47 +1,11 @@
 import React, { useEffect } from 'react';
 import { useFlyteApi } from '@clients/flyte-api/ApiProvider';
 import Button from '@mui/material/Button';
-import Dialog from '@mui/material/Dialog';
 import DialogActions from '@mui/material/DialogActions';
 import DialogTitle from '@mui/material/DialogTitle';
 import Box from '@mui/material/Box';
-import styled from '@mui/system/styled';
 import { FlyteLogo } from '../assets/icons/FlyteLogo';
-
-const StyledDialog = styled(Dialog)(() => ({
-  '& .MuiDialog-paper': {
-    width: '100%',
-    maxWidth: '448px',
-    padding: '40px 64px',
-    gap: '24px',
-  },
-
-  h2: {
-    fontSize: '22px',
-    lineHeight: '28px',
-  },
-  '& .MuiDialogTitle-root': {
-    padding: 0,
-  },
-
-  '& .MuiDialogActions-root': {
-    padding: 0,
-
-    button: {
-      width: '100%',
-    },
-  },
-
-  '& .displayColumn': {
-    display: 'flex',
-    flexDirection: 'column',
-    gap: '8px',
-  },
-  '& .centerAlign': {
-    alignItems: 'center',
-    justifyContent: 'center',
-  },
-}));
+import { SessionDialog } from './SessionDialog';
 
 /** A shared panel rendered along the right side of the UI. Content can be
  * rendered into it using `LoginPanelContent`
@@ -56,7 +20,7 @@ export const LoginPanel: React.FC<unknown> = () => {
   }, [expired]);
 
   return (
-    <StyledDialog
+    <SessionDialog
       open={isLoginModalOpen}
       onClose={() => {
         setIsLoginModalOpen(false);
@@ -86,6 +50,6 @@ export const LoginPanel: React.FC<unknown> = () => {
           </Button>
         </Box>
       </DialogActions>
-    </StyledDialog>
+    </SessionDialog>
   );
 };
diff --git a/packages/primitives/src/SessionManagent/SessionDialog.tsx b/packages/primitives/src/SessionManagent/SessionDialog.tsx
new file mode 100644
index 000000000..ea291fbce
--- /dev/null
+++ b/packages/primitives/src/SessionManagent/SessionDialog.tsx
@@ -0,0 +1,41 @@
+import Dialog from '@mui/material/Dialog';
+import styled from '@mui/system/styled';
+
+/** Shared shell for the session dialogs (login expired, sign out): centered Flyte
+ * logo, a title, and full-width stacked actions. */
+export const SessionDialog = styled(Dialog)(() => ({
+  '& .MuiDialog-paper': {
+    width: '100%',
+    maxWidth: '448px',
+    padding: '40px 64px',
+    gap: '24px',
+  },
+
+  h2: {
+    fontSize: '22px',
+    lineHeight: '28px',
+  },
+  '& .MuiDialogTitle-root': {
+    padding: 0,
+  },
+
+  '& .MuiDialogActions-root': {
+    padding: 0,
+
+    button: {
+      width: '100%',
+    },
+  },
+
+  '& .displayColumn': {
+    display: 'flex',
+    flexDirection: 'column',
+    gap: '8px',
+  },
+  '& .centerAlign': {
+    alignItems: 'center',
+    justifyContent: 'center',
+  },
+}));
+
+export default SessionDialog;
diff --git a/packages/primitives/src/SessionManagent/SignOutPanel.tsx b/packages/primitives/src/SessionManagent/SignOutPanel.tsx
new file mode 100644
index 000000000..db0066416
--- /dev/null
+++ b/packages/primitives/src/SessionManagent/SignOutPanel.tsx
@@ -0,0 +1,44 @@
+import React from 'react';
+import { useFlyteApi } from '@clients/flyte-api/ApiProvider';
+import Button from '@mui/material/Button';
+import DialogActions from '@mui/material/DialogActions';
+import DialogTitle from '@mui/material/DialogTitle';
+import Box from '@mui/material/Box';
+import { FlyteLogo } from '../assets/icons/FlyteLogo';
+import { SessionDialog } from './SessionDialog';
+import t from './strings';
+
+export interface SignOutPanelProps {
+  open: boolean;
+  onCancel: () => void;
+}
+
+/** Confirmation shown before signing out. Signing out ends the Admin session, so
+ * it is worth a deliberate click rather than firing on the menu item itself. */
+export const SignOutPanel: React.FC<SignOutPanelProps> = ({ open, onCancel }) => {
+  const { getLogoutUrl } = useFlyteApi();
+
+  return (
+    <SessionDialog
+      open={open}
+      onClose={onCancel}
+      aria-labelledby="signout-dialog-title"
+      data-cy="signout-dialog"
+    >
+      <DialogTitle id="signout-dialog-title" className="centerAlign displayColumn">
+        <FlyteLogo size={50} background="light" />
+        {t('signOutTitle')}
+      </DialogTitle>
+      <DialogActions className="centerAlign">
+        <Box className="centerAlign displayColumn">
+          <Button variant="contained" href={getLogoutUrl()} autoFocus data-cy="signout-confirm">
+            {t('signOutConfirm')}
+          </Button>
+          <Button variant="outlined" onClick={onCancel} data-cy="signout-cancel">
+            {t('signOutCancel')}
+          </Button>
+        </Box>
+      </DialogActions>
+    </SessionDialog>
+  );
+};
diff --git a/packages/primitives/src/SessionManagent/index.ts b/packages/primitives/src/SessionManagent/index.ts
index eb5693bc4..e836a9b40 100644
--- a/packages/primitives/src/SessionManagent/index.ts
+++ b/packages/primitives/src/SessionManagent/index.ts
@@ -1 +1,3 @@
 export * from './LoginPanel';
+export * from './SessionDialog';
+export * from './SignOutPanel';
diff --git a/packages/primitives/src/SessionManagent/signOutPanel.test.tsx b/packages/primitives/src/SessionManagent/signOutPanel.test.tsx
new file mode 100644
index 000000000..4fb691981
--- /dev/null
+++ b/packages/primitives/src/SessionManagent/signOutPanel.test.tsx
@@ -0,0 +1,42 @@
+import React from 'react';
+import { render, fireEvent } from '@testing-library/react';
+import { muiTheme } from '@clients/theme/Theme/muiTheme';
+import { ThemeProvider } from '@mui/material/styles';
+import { SignOutPanel } from './SignOutPanel';
+
+jest.mock('@clients/flyte-api/ApiProvider', () => ({
+  useFlyteApi: () => ({ getLogoutUrl: () => '/logout?redirect_url=/select-project' }),
+}));
+
+const Wrapper = (props: { children: React.ReactNode }) => (
+  <ThemeProvider theme={muiTheme}>{props.children}</ThemeProvider>
+);
+
+describe('SignOutPanel', () => {
+  it('renders nothing while closed', () => {
+    const { queryByText } = render(
+      <Wrapper>
+        <SignOutPanel open={false} onCancel={jest.fn()} />
+      </Wrapper>,
+    );
+    expect(queryByText('Sign out of Flyte?')).not.toBeInTheDocument();
+  });
+
+  it('confirms to the logout url and cancels without leaving', () => {
+    const onCancel = jest.fn();
+    const { getByText, getByRole } = render(
+      <Wrapper>
+        <SignOutPanel open onCancel={onCancel} />
+      </Wrapper>,
+    );
+
+    expect(getByText('Sign out of Flyte?')).toBeInTheDocument();
+    expect(getByRole('link', { name: 'Sign Out' })).toHaveAttribute(
+      'href',
+      '/logout?redirect_url=/select-project',
+    );
+
+    fireEvent.click(getByRole('button', { name: 'Cancel' }));
+    expect(onCancel).toHaveBeenCalled();
+  });
+});
diff --git a/packages/primitives/src/SessionManagent/strings.ts b/packages/primitives/src/SessionManagent/strings.ts
new file mode 100644
index 000000000..b7b092166
--- /dev/null
+++ b/packages/primitives/src/SessionManagent/strings.ts
@@ -0,0 +1,9 @@
+import { createLocalizedString } from '@clients/locale/locale';
+
+const str = {
+  signOutTitle: 'Sign out of Flyte?',
+  signOutConfirm: 'Sign Out',
+  signOutCancel: 'Cancel',
+};
+
+export default createLocalizedString(str);