diff --git a/plugins/by-name/rzls/default.nix b/plugins/by-name/rzls/default.nix
new file mode 100644
index 00000000..e1d94043
--- /dev/null
+++ b/plugins/by-name/rzls/default.nix
@@ -0,0 +1,40 @@
+{ config, lib, ... }:
+lib.nixvim.plugins.mkNeovimPlugin {
+  name = "rzls";
+  package = "rzls-nvim";
+
+  maintainers = [ lib.maintainers.khaneliman ];
+
+  dependencies = [
+    "rzls"
+  ];
+
+  extraOptions = {
+    enableRazorFiletypeAssociation = lib.mkOption {
+      type = lib.types.bool;
+      default = true;
+      description = ''
+        Sets up the filetype association of `.cshtml` and `razor` files to trigger treesitter
+        and lsp support for razor functionality.
+      '';
+    };
+  };
+
+  extraConfig = cfg: {
+    assertions = lib.nixvim.mkAssertions "plugins.rzls" {
+      assertion = config.plugins.roslyn.enable;
+      message = ''
+        You must enable `plugins.roslyn` for general functionality in `rzls.nvim`.
+      '';
+    };
+
+    filetype = lib.mkIf cfg.enableRazorFiletypeAssociation {
+      extension = {
+        razor = "razor";
+        cshtml = "razor";
+      };
+    };
+
+    plugins.rzls.settings.path = lib.mkOptionDefault (lib.getExe config.dependencies.rzls.package);
+  };
+}
diff --git a/tests/test-sources/plugins/by-name/rzls/default.nix b/tests/test-sources/plugins/by-name/rzls/default.nix
new file mode 100644
index 00000000..2a93b747
--- /dev/null
+++ b/tests/test-sources/plugins/by-name/rzls/default.nix
@@ -0,0 +1,29 @@
+{
+  empty = {
+    # TODO: 2025-10-03
+    # Transient dependency `vmr` has a build failure
+    # https://github.com/NixOS/nixpkgs/issues/431811
+    dependencies.roslyn_ls.enable = false;
+    plugins.roslyn.enable = true;
+    plugins.rzls.enable = true;
+  };
+
+  defaults = {
+    # TODO: 2025-10-03
+    # Transient dependency `vmr` has a build failure
+    # https://github.com/NixOS/nixpkgs/issues/431811
+    dependencies.roslyn_ls.enable = false;
+    plugins.roslyn.enable = true;
+    plugins.rzls = {
+      enable = true;
+      settings = {
+        on_attach.__raw = ''
+          function()
+              return nil
+          end
+        '';
+        capabilities.__raw = ''vim.lsp.protocol.make_client_capabilities()'';
+      };
+    };
+  };
+}