diff --git a/pkgs/misc/tmux-plugins/default.nix b/pkgs/misc/tmux-plugins/default.nix
index 39aabfb30332e..70e994389e80e 100644
--- a/pkgs/misc/tmux-plugins/default.nix
+++ b/pkgs/misc/tmux-plugins/default.nix
@@ -882,6 +882,10 @@ in rec {
     };
   };
 
+  tmux-which-key = pkgs.callPackage ./tmux-which-key {
+    inherit mkTmuxPlugin;
+  };
+
   yank = mkTmuxPlugin {
     pluginName = "yank";
     version = "unstable-2023-07-19";
diff --git a/pkgs/misc/tmux-plugins/tmux-which-key/default.nix b/pkgs/misc/tmux-plugins/tmux-which-key/default.nix
new file mode 100644
index 0000000000000..a86ffb6a0308d
--- /dev/null
+++ b/pkgs/misc/tmux-plugins/tmux-which-key/default.nix
@@ -0,0 +1,45 @@
+{
+  mkTmuxPlugin,
+  fetchFromGitHub,
+  lib,
+  check-jsonschema,
+  python3,
+}:
+mkTmuxPlugin {
+  pluginName = "tmux-which-key";
+  rtpFilePath = "plugin.sh.tmux";
+  version = "0-unstable-2024-06-08";
+  buildInputs = [
+    check-jsonschema
+    (python3.withPackages (ps: with ps; [ pyyaml ]))
+  ];
+
+  postPatch = ''
+    substituteInPlace plugin.sh.tmux --replace-fail \
+      python3 "${lib.getExe (python3.withPackages (ps: with ps; [ pyyaml ]))}"
+  '';
+
+  preInstall = ''
+    rm -rf plugin/pyyaml
+    ln -s ${python3.pkgs.pyyaml.src} plugin/pyyaml
+  '';
+
+  postInstall = ''
+    patchShebangs plugin.sh.tmux plugin/build.py
+  '';
+
+  src = fetchFromGitHub {
+    owner = "alexwforsythe";
+    repo = "tmux-which-key";
+    rev = "1f419775caf136a60aac8e3a269b51ad10b51eb6";
+    hash = "sha256-X7FunHrAexDgAlZfN+JOUJvXFZeyVj9yu6WRnxMEA8E=";
+  };
+
+  meta = {
+    homepage = "https://github.com/alexwforsythe/tmux-which-key";
+    description = "Tmux plugin that allows users to select actions from a customizable popup menu";
+    license = lib.licenses.mit;
+    platforms = lib.platforms.unix;
+    maintainers = with lib.maintainers; [ novaviper ];
+  };
+}