diff --git a/modules/services/x11/window-managers/default.nix b/modules/services/x11/window-managers/default.nix
index de0cbd5c599e..958bf85817e9 100644
--- a/modules/services/x11/window-managers/default.nix
+++ b/modules/services/x11/window-managers/default.nix
@@ -8,6 +8,7 @@ in
 {
   imports = [
     ./compiz.nix
+    ./openbox.nix
     ./kwm.nix
     ./metacity.nix
     ./none.nix
diff --git a/modules/services/x11/window-managers/openbox.nix b/modules/services/x11/window-managers/openbox.nix
new file mode 100644
index 000000000000..ae34a938c4a0
--- /dev/null
+++ b/modules/services/x11/window-managers/openbox.nix
@@ -0,0 +1,30 @@
+{pkgs, config, ...}:
+
+let
+  inherit (pkgs.lib) mkOption mkIf;
+  cfg = config.services.xserver.windowManager.openbox;
+in
+
+{
+  options = {
+    services.xserver.windowManager.openbox = {
+      enable = mkOption {
+        default = false;
+        example = true;
+        description = "Enable the Openbox window manager.";
+      };
+    };
+  };
+
+  config = mkIf cfg.enable {
+    services.xserver.windowManager = {
+      session = [{
+        name = "openbox";
+        start = "
+          ${pkgs.openbox}/bin/openbox-session
+        ";
+      }];
+    };
+    environment.x11Packages = [ pkgs.openbox ];
+  };
+}