diff --git a/modules/misc/news/2026/01/2026-01-19_05-36-20.nix b/modules/misc/news/2026/01/2026-01-19_05-36-20.nix
new file mode 100644
index 00000000..212827ef
--- /dev/null
+++ b/modules/misc/news/2026/01/2026-01-19_05-36-20.nix
@@ -0,0 +1,19 @@
+{
+  time = "2026-01-19T05:36:20+00:00";
+  condition = true;
+  message = ''
+    Chrome now has a `plasmaSupport` flag.
+
+    If you use KDE Plasma, set:
+
+    ```
+    programs.google-chrome.plasmaSupport = true`
+    home.sessionVariables = [
+      QT_QPA_PLATFORMTHEME = "kde";
+    ];
+    ```
+
+    This enables the "Use QT" theme in **Settings > Appearance**, which makes
+    Chrome match your Plasma theme.
+  '';
+}
diff --git a/modules/programs/chromium.nix b/modules/programs/chromium.nix
index ba6974de..038b0888 100644
--- a/modules/programs/chromium.nix
+++ b/modules/programs/chromium.nix
@@ -16,6 +16,10 @@ let
     vivaldi = "Vivaldi Browser";
   };
 
+  plasmaSupportedBrowsers = [
+    "google-chrome"
+  ];
+
   browserModule =
     browser: name: visible:
     let
@@ -66,6 +70,15 @@ let
         '';
       };
     }
+    // lib.optionalAttrs (lib.elem browser plasmaSupportedBrowsers) {
+      plasmaSupport = mkOption {
+        inherit visible;
+        type = types.bool;
+        default = false;
+        example = true;
+        description = "Whether to enable the 'Use QT' theme for ${name}.";
+      };
+    }
     // lib.optionalAttrs (!isProprietaryChrome) {
       # Extensions do not work with Google Chrome
       # see https://github.com/nix-community/home-manager/issues/1383
@@ -152,6 +165,7 @@ let
           List of ${name} dictionaries to install.
         '';
       };
+
       nativeMessagingHosts = mkOption {
         type = types.listOf types.package;
         default = [ ];
@@ -230,10 +244,18 @@ let
       ];
 
       programs.${browser}.finalPackage =
-        if cfg.commandLineArgs != [ ] then
-          cfg.package.override {
-            commandLineArgs = lib.concatStringsSep " " cfg.commandLineArgs;
-          }
+        if cfg.package == null then
+          null
+        else if cfg.commandLineArgs != [ ] || (cfg.plasmaSupport or false) then
+          cfg.package.override (
+            lib.optionalAttrs (cfg.commandLineArgs != [ ]) {
+              commandLineArgs = lib.concatStringsSep " " cfg.commandLineArgs;
+            }
+            // lib.optionalAttrs (cfg.plasmaSupport or false) {
+              plasmaSupport = true;
+              kdePackages = pkgs.kdePackages;
+            }
+          )
         else
           cfg.package;