diff --git a/changelog.d/20260806_111730_sirosen_mypy_docs_integration.rst b/changelog.d/20260806_111730_sirosen_mypy_docs_integration.rst
new file mode 100644
index 000000000..51ff88d52
--- /dev/null
+++ b/changelog.d/20260806_111730_sirosen_mypy_docs_integration.rst
@@ -0,0 +1,7 @@
+Added
+-----
+
+- Added a new flag, ``sweep``, to ``GlobusApp.logout()``.
+  Use ``logout(sweep=True)`` to ask the app to clear all tokens found in the
+  app's storage, not only the ones currently in use by the app.
+  The default behavior, ``sweep=False``, is unchanged. (:pr:`NUMBER`)
diff --git a/src/globus_sdk/globus_app/app.py b/src/globus_sdk/globus_app/app.py
index 8df0d33c1..4dc11cc75 100644
--- a/src/globus_sdk/globus_app/app.py
+++ b/src/globus_sdk/globus_app/app.py
@@ -25,6 +25,7 @@
 from globus_sdk.token_storage import (
     ScopeRequirementsValidator,
     TokenStorage,
+    TokenStorageData,
     TokenValidationError,
     ValidatingTokenStorage,
 )
@@ -385,21 +386,36 @@ def login_required(self) -> bool:
                 return True
         return False
 
-    def logout(self) -> None:
+    def logout(self, *, sweep: bool = False) -> None:
         """
         Log the current user or client out of the app.
 
-        This will remove and revoke all tokens stored for the current app user.
+        This will remove and revoke tokens stored for the current app user.
+
+        :param sweep: Set to ``True`` in order to clear all tokens in storage. By
+            default, only tokens for currently in-use services are cleared.
         """
-        # Revoke all tokens, removing them from the underlying token storage
+        # Revoke tokens, removing them from the underlying token storage
         inner_token_storage = self.token_storage.token_storage
-        for resource_server in self._scope_requirements.keys():
-            token_data = inner_token_storage.get_token_data(resource_server)
-            if token_data:
-                self._login_client.oauth2_revoke_token(token_data.access_token)
-                if token_data.refresh_token:
-                    self._login_client.oauth2_revoke_token(token_data.refresh_token)
-                inner_token_storage.remove_token_data(resource_server)
+
+        # collect tokens to clear, either all of them or a subset based on scope reqs
+        if sweep:
+            to_clear: t.Iterable[TokenStorageData] = (
+                inner_token_storage.get_token_data_by_resource_server().values()
+            )
+        else:
+            to_clear = [
+                token_data
+                for resource_server in self._scope_requirements.keys()
+                if (token_data := inner_token_storage.get_token_data(resource_server))
+                is not None
+            ]
+
+        for token_data in to_clear:
+            self._login_client.oauth2_revoke_token(token_data.access_token)
+            if token_data.refresh_token:
+                self._login_client.oauth2_revoke_token(token_data.refresh_token)
+            inner_token_storage.remove_token_data(token_data.resource_server)
 
         # Invalidate any cached authorizers
         self._authorizer_factory.clear_cache()
diff --git a/tests/unit/globus_app/test_globus_app.py b/tests/unit/globus_app/test_globus_app.py
index 28b1b2c24..5a496ee3a 100644
--- a/tests/unit/globus_app/test_globus_app.py
+++ b/tests/unit/globus_app/test_globus_app.py
@@ -561,6 +561,49 @@ def test_client_app_login_logout():
     assert memory_storage.get_token_data("auth.globus.org") is None
 
 
+@pytest.mark.parametrize("app_type", ("UserApp", "ClientApp"))
+@pytest.mark.parametrize("sweep", (True, False))
+def test_logout_sweep_flag_controls_clearing_unrecognized_tokens(app_type, sweep):
+    # setup a storage for Auth + Transfer
+    memory_storage = MemoryTokenStorage()
+    memory_storage.store_token_data_by_resource_server(_mock_token_data_by_rs())
+    memory_storage.store_token_data_by_resource_server(
+        _mock_token_data_by_rs(
+            resource_server="transfer.api.globus.org",
+            scope=str(globus_sdk.TransferClient.scopes.all),
+        )
+    )
+    # setup the app (either type)
+    config = GlobusAppConfig(token_storage=memory_storage)
+    if app_type == "UserApp":
+        app = UserApp("test-app", client_id="mock_client_id", config=config)
+        load_response(NativeAppAuthClient.oauth2_revoke_token)
+    elif app_type == "ClientApp":
+        app = ClientApp(
+            "test-app",
+            client_id="mock_client_id",
+            client_secret="mock_client_secret",
+            config=config,
+        )
+        load_response(ConfidentialAppAuthClient.oauth2_revoke_token)
+    else:
+        raise NotImplementedError(app_type)
+
+    # verify that the data is present
+    assert memory_storage.get_token_data("auth.globus.org") is not None
+    assert memory_storage.get_token_data("transfer.api.globus.org") is not None
+
+    app.logout(sweep=sweep)  # act!
+
+    # test results
+    assert memory_storage.get_token_data("auth.globus.org") is None
+    transfer_token_data = memory_storage.get_token_data("transfer.api.globus.org")
+    if sweep:
+        assert transfer_token_data is None
+    else:
+        assert transfer_token_data is not None
+
+
 @mock.patch.object(globus_sdk.IDTokenDecoder, "decode", _mock_decode)
 @pytest.mark.parametrize(
     "login_kwargs,expected_login",