diff --git a/maintainers/maintainer-list.nix b/maintainers/maintainer-list.nix
index f98d721bac03..2542d541fb5f 100644
--- a/maintainers/maintainer-list.nix
+++ b/maintainers/maintainer-list.nix
@@ -588,6 +588,11 @@
       { fingerprint = "CE85 54F7 B9BC AC0D D648  5661 AB5F C04C 3C94 443F"; }
     ];
   };
+  adam-tj = {
+    github = "adam-tj";
+    githubId = 9314405;
+    name = "Adam Tjörnhammar";
+  };
   adam248 = {
     email = "adamjbutler091@gmail.com";
     github = "adam248";
diff --git a/pkgs/by-name/st/steam-art-manager/package.nix b/pkgs/by-name/st/steam-art-manager/package.nix
new file mode 100644
index 000000000000..ef4318bac5fc
--- /dev/null
+++ b/pkgs/by-name/st/steam-art-manager/package.nix
@@ -0,0 +1,35 @@
+{
+  lib,
+  fetchurl,
+  appimageTools,
+}:
+
+let
+  pname = "steam-art-manager";
+  version = "3.12.1";
+  src = fetchurl {
+    url = "https://github.com/Tormak9970/Steam-Art-Manager/releases/download/v${version}/steam-art-manager.AppImage";
+    hash = "sha256-eH2Adl0+i+8I7+hPUyCGHzrm7xW34D7MdVex5Yi7pfI=";
+  };
+  appimageContents = appimageTools.extract { inherit pname version src; };
+in
+appimageTools.wrapType2 {
+  inherit pname version src;
+
+  extraInstallCommands = ''
+    install -m 444 -D "${appimageContents}/usr/share/applications/Steam Art Manager.desktop" $out/share/applications/steam-art-manager.desktop
+    install -m 444 -D "${appimageContents}/Steam Art Manager.png" $out/share/icons/hicolor/512x512/apps/steam-art-manager.png
+    substituteInPlace $out/share/applications/steam-art-manager.desktop \
+      --replace 'Exec=AppRun' 'Exec=${pname}' \
+      --replace 'Icon=Steam Art Manager' 'Icon=steam-art-manager'
+  '';
+
+  meta = with lib; {
+    description = "A tool to manage and change Steam library artwork";
+    homepage = "https://github.com/Tormak9970/Steam-Art-Manager";
+    license = licenses.gpl3Plus;
+    maintainers = with maintainers; [ adam-tj ];
+    platforms = [ "x86_64-linux" ];
+    mainProgram = "steam-art-manager";
+  };
+}