diff --git a/tools/wpt/browser.py b/tools/wpt/browser.py
index 5e8bfdab1..779b3b427 100644
--- a/tools/wpt/browser.py
+++ b/tools/wpt/browser.py
@@ -1918,6 +1918,27 @@ class WebKit(Browser):
     def version(self, binary=None, webdriver_binary=None):
         return None

+class Ladybird(Browser):
+    product = "ladybird"
+    requirements = None
+
+    def download(self, dest=None, channel=None, rename=None):
+        raise NotImplementedError
+
+    def install(self, dest=None, channel=None):
+        raise NotImplementedError
+
+    def find_binary(self, venv_path=None, channel=None):
+        return None
+
+    def find_webdriver(self, venv_path=None, channel=None):
+        return None
+
+    def install_webdriver(self, dest=None, channel=None, browser_binary=None):
+        raise NotImplementedError
+
+    def version(self, binary=None, webdriver_binary=None):
+        return None

 class WebKitTestRunner(Browser):
     """Interface for WebKitTestRunner.
diff --git a/tools/wpt/run.py b/tools/wpt/run.py
index 58e0004f9..8eb5399d3 100644
--- a/tools/wpt/run.py
+++ b/tools/wpt/run.py
@@ -110,7 +110,7 @@ otherwise install OpenSSL and ensure that it's on your $PATH.""")
 def check_environ(product):
     if product not in ("android_weblayer", "android_webview", "chrome",
                        "chrome_android", "chrome_ios", "content_shell",
-                       "firefox", "firefox_android", "servo", "wktr"):
+                       "firefox", "firefox_android", "servo", "wktr", "ladybird"):
         config_builder = serve.build_config(os.path.join(wpt_root, "config.json"))
         # Override the ports to avoid looking for free ports
         config_builder.ssl = {"type": "none"}
@@ -687,6 +687,15 @@ class WebKit(BrowserSetup):
     def setup_kwargs(self, kwargs):
         pass

+class Ladybird(BrowserSetup):
+    name = "ladybird"
+    browser_cls = browser.Ladybird
+
+    def install(self, channel=None):
+        raise NotImplementedError
+
+    def setup_kwargs(self, kwargs):
+        pass

 class WebKitTestRunner(BrowserSetup):
     name = "wktr"
@@ -777,6 +786,7 @@ product_setup = {
     "wktr": WebKitTestRunner,
     "webkitgtk_minibrowser": WebKitGTKMiniBrowser,
     "epiphany": Epiphany,
+    "ladybird": Ladybird
 }


diff --git a/tools/wptrunner/wptrunner/browsers/__init__.py b/tools/wptrunner/wptrunner/browsers/__init__.py
index 9724bb957..4d1045769 100644
--- a/tools/wptrunner/wptrunner/browsers/__init__.py
+++ b/tools/wptrunner/wptrunner/browsers/__init__.py
@@ -43,4 +43,5 @@ product_list = ["android_weblayer",
                 "webkit",
                 "webkitgtk_minibrowser",
                 "wktr",
-                "epiphany"]
+                "epiphany",
+                "ladybird"]
diff --git a/tools/wptrunner/wptrunner/browsers/ladybird.py b/tools/wptrunner/wptrunner/browsers/ladybird.py
new file mode 100644
index 000000000..cfcf285b4
--- /dev/null
+++ b/tools/wptrunner/wptrunner/browsers/ladybird.py
@@ -0,0 +1,54 @@
+from .base import WebDriverBrowser, require_arg
+from .base import get_timeout_multiplier
+from ..executors import executor_kwargs as base_executor_kwargs
+from ..executors.executorwebdriver import (WebDriverTestharnessExecutor,  # noqa: F401
+                                           WebDriverRefTestExecutor,  # noqa: F401
+                                           WebDriverCrashtestExecutor)  # noqa: F401
+from ..executors.base import WdspecExecutor
+
+__wptrunner__ = {
+    "product": "ladybird",
+    "check_args": "check_args",
+    "browser": "LadybirdBrowser",
+    "browser_kwargs": "browser_kwargs",
+    "executor_kwargs": "executor_kwargs",
+    "env_options": "env_options",
+    "env_extras": "env_extras",
+    "timeout_multiplier": "get_timeout_multiplier",
+    "executor": {
+        # "testharness": "WebDriverTestharnessExecutor",
+        "reftest": "WebDriverRefTestExecutor",
+        # "wdspec": "WdspecExecutor",
+        # "crashtest": "WebDriverCrashtestExecutor"
+    }
+}
+
+def check_args(**kwargs):
+    pass
+
+def browser_kwargs(logger, test_type, run_info_data, config, **kwargs):
+    return {}
+
+def executor_kwargs(logger, test_type, test_environment, run_info_data,
+                    **kwargs):
+    executor_kwargs = base_executor_kwargs(test_type, test_environment, run_info_data, **kwargs)
+    executor_kwargs["capabilities"] = {}
+    return executor_kwargs
+
+def env_options():
+    return {}
+
+def env_extras(**kwargs):
+    return []
+
+class LadybirdBrowser(WebDriverBrowser):
+    def __init__(self, logger, webdriver_args=None,
+                 host="localhost", port=None, base_path="/", env=None, **kwargs):
+        webdriver_bin = "WebDriver"
+
+        super().__init__(logger, "binary???", webdriver_bin, webdriver_args=webdriver_args,
+                         host=host, port=port, base_path=base_path, env=env, **kwargs)
+        self.host = "localhost"
+
+    def make_command(self):
+        return [self.webdriver_binary, "--port", str(self.port)] + self.webdriver_args