diff --git a/docs/changelog.rst b/docs/changelog.rst
index de1a302c2..0cab22ad2 100644
--- a/docs/changelog.rst
+++ b/docs/changelog.rst
@@ -193,6 +193,9 @@ Detailed list of changes
   for saving session files with relative paths, useful when the current working
   directory is not the desired location (:doc:`sessions`)
 
+- Add ``state:focused_os_window`` match query to select all windows in the
+  currently focused OS window (:ref:`search_syntax`)
+
 0.43.1 [2025-10-01]
 ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
 
diff --git a/kitty/rc/base.py b/kitty/rc/base.py
index 4cbede49d..6b71ef171 100644
--- a/kitty/rc/base.py
+++ b/kitty/rc/base.py
@@ -124,14 +124,15 @@ as with the :code:`env` field.
 
 The field :code:`state` matches on the state of the window. Supported states
 are: :code:`active`, :code:`focused`, :code:`needs_attention`,
-:code:`parent_active`, :code:`parent_focused`, :code:`self`,
-:code:`overlay_parent`.  Active windows are the windows that are active in
-their parent tab. There is only one focused window and it is the window to
-which keyboard events are delivered. If no window is focused, the last focused
-window is matched. The value :code:`self` matches the window in which the
-remote control command is run. The value :code:`overlay_parent` matches the
-window that is under the :code:`self` window, when the self window is an
-overlay.
+:code:`parent_active`, :code:`parent_focused`, :code:`focused_os_window`,
+:code:`self`, :code:`overlay_parent`.  Active windows are the windows that are
+active in their parent tab. There is only one focused window and it is the
+window to which keyboard events are delivered. If no window is focused, the
+last focused window is matched. The value :code:`focused_os_window` matches
+all windows in the currently focused OS window. The value :code:`self` matches
+the window in which the remote control command is run. The value
+:code:`overlay_parent` matches the window that is under the :code:`self`
+window, when the self window is an overlay.
 
 Note that you can use the :ref:`kitten @ ls <at-ls>` command to get a list of windows.
 '''
diff --git a/kitty/window.py b/kitty/window.py
index 3c4e92b78..eaf108717 100644
--- a/kitty/window.py
+++ b/kitty/window.py
@@ -903,6 +903,8 @@ class Window:
                 return False
             if query == 'parent_focused':
                 return active_tab is not None and self.tabref() is active_tab and last_focused_os_window_id() == self.os_window_id
+            if query == 'focused_os_window':
+                return last_focused_os_window_id() == self.os_window_id
             if query == 'self':
                 return self is self_window
             if query == 'overlay_parent':