diff --git a/plugins/by-name/whichpy/default.nix b/plugins/by-name/whichpy/default.nix
new file mode 100644
index 00000000..386f1101
--- /dev/null
+++ b/plugins/by-name/whichpy/default.nix
@@ -0,0 +1,56 @@
+{
+  lib,
+  config,
+  ...
+}:
+lib.nixvim.plugins.mkNeovimPlugin {
+  name = "whichpy";
+  packPathName = "whichpy.nvim";
+  package = "whichpy-nvim";
+
+  maintainers = [ lib.maintainers.wvffle ];
+
+  settingsExample = {
+    update_path_env = true;
+    locator = {
+      workspace.depth = 3;
+      uv.enable = true;
+    };
+  };
+
+  extraOptions = {
+    neotestIntegration = lib.mkEnableOption "neotest-integration for whichpy-nvim.";
+  };
+
+  extraConfig = cfg: {
+    plugins.neotest.adapters.python.settings = lib.mkIf cfg.neotestIntegration {
+      python = lib.nixvim.mkRaw ''
+        function()
+          local whichpy_python = require("whichpy.envs").current_selected()
+          if whichpy_python then
+            return whichpy_python
+          end
+          return require("neotest-python.base").get_python_command
+        end
+      '';
+    };
+
+    warnings = lib.nixvim.mkWarnings "plugins.whichpy" [
+      {
+        when = cfg.neotestIntegration && !config.plugins.neotest.enable;
+        message = ''
+          You have enabled the neotest integration with whichpy but `plugins.neotest` is not enabled.
+        '';
+      }
+      {
+        when =
+          cfg.neotestIntegration
+          && config.plugins.neotest.enable
+          && !config.plugins.neotest.adapters.python.enable;
+        message = ''
+          You have enabled the neotest integration with whichpy but `plugins.neotest.adapters.python` is not enabled.
+        '';
+      }
+    ];
+  };
+}
diff --git a/tests/test-sources/plugins/by-name/whichpy/default.nix b/tests/test-sources/plugins/by-name/whichpy/default.nix
new file mode 100644
index 00000000..09449a50
--- /dev/null
+++ b/tests/test-sources/plugins/by-name/whichpy/default.nix
@@ -0,0 +1,85 @@
+{
+  empty = {
+    plugins.whichpy.enable = true;
+  };
+
+  defaults = {
+    plugins.whichpy = {
+      enable = true;
+
+      settings = {
+        cache_dir.__raw = "vim.fn.stdpath('cache') .. '/whichpy.nvim'";
+        update_path_env = false;
+        after_handle_select = null;
+        picker = {
+          name = "builtin";
+        };
+        locator = {
+          workspace = {
+            display_name = "Workspace";
+            search_pattern = ".*env.*";
+            depth = 2;
+            ignore_dirs = [
+              ".git"
+              ".mypy_cache"
+              ".pytest_cache"
+              ".ruff_cache"
+              "__pycache__"
+              "__pypackages__"
+            ];
+          };
+          global = {
+            display_name = "Global";
+          };
+          global_virtual_environment = {
+            display_name = "Global Virtual Environment";
+            dirs = [
+              "~/envs"
+              "~/.direnv"
+              "~/.venvs"
+              "~/.virtualenvs"
+              "~/.local/share/virtualenvs"
+              [
+                "~/Envs"
+                "Windows_NT"
+              ]
+              { __raw = "vim.env.WORKON_HOME"; }
+            ];
+          };
+          pyenv = {
+            display_name = "Pyenv";
+            venv_only = true;
+          };
+          poetry = {
+            display_name = "Poetry";
+          };
+          pdm = {
+            display_name = "PDM";
+          };
+          conda = {
+            display_name = "Conda";
+          };
+        };
+        lsp = {
+          pylsp.__raw = "require('whichpy.lsp.handlers.pylsp').new()";
+          pyright.__raw = "require('whichpy.lsp.handlers.pyright').new()";
+          basedpyright.__raw = "require('whichpy.lsp.handlers.pyright').new()";
+        };
+      };
+    };
+  };
+
+  example = {
+    plugins.whichpy = {
+      enable = true;
+
+      settings = {
+        update_path_env = true;
+        locator = {
+          workspace.depth = 3;
+          uv.enable = true;
+        };
+      };
+    };
+  };
+}