diff --git a/Meta/gn/secondary/Userland/Libraries/LibWeb/UIEvents/BUILD.gn b/Meta/gn/secondary/Userland/Libraries/LibWeb/UIEvents/BUILD.gn
index c8559c8a05b..3526c39fe13 100644
--- a/Meta/gn/secondary/Userland/Libraries/LibWeb/UIEvents/BUILD.gn
+++ b/Meta/gn/secondary/Userland/Libraries/LibWeb/UIEvents/BUILD.gn
@@ -7,6 +7,7 @@ source_set("UIEvents") {
   sources = [
     "EventNames.cpp",
     "FocusEvent.cpp",
+    "InputEvent.cpp",
     "KeyboardEvent.cpp",
     "MouseEvent.cpp",
     "PointerEvent.cpp",
diff --git a/Meta/gn/secondary/Userland/Libraries/LibWeb/idl_files.gni b/Meta/gn/secondary/Userland/Libraries/LibWeb/idl_files.gni
index 9876e5489c4..e66d72960b1 100644
--- a/Meta/gn/secondary/Userland/Libraries/LibWeb/idl_files.gni
+++ b/Meta/gn/secondary/Userland/Libraries/LibWeb/idl_files.gni
@@ -331,6 +331,7 @@ standard_idl_files = [
   "//Userland/Libraries/LibWeb/SVG/SVGTSpanElement.idl",
   "//Userland/Libraries/LibWeb/SVG/SVGUseElement.idl",
   "//Userland/Libraries/LibWeb/UIEvents/FocusEvent.idl",
+  "//Userland/Libraries/LibWeb/UIEvents/InputEvent.idl",
   "//Userland/Libraries/LibWeb/UIEvents/KeyboardEvent.idl",
   "//Userland/Libraries/LibWeb/UIEvents/MouseEvent.idl",
   "//Userland/Libraries/LibWeb/UIEvents/PointerEvent.idl",
diff --git a/Tests/LibWeb/Text/expected/all-window-properties.txt b/Tests/LibWeb/Text/expected/all-window-properties.txt
index e4484c041c2..9f8b4721681 100644
--- a/Tests/LibWeb/Text/expected/all-window-properties.txt
+++ b/Tests/LibWeb/Text/expected/all-window-properties.txt
@@ -197,6 +197,7 @@ IdleDeadline
 Image
 ImageBitmap
 ImageData
+InputEvent
 Int16Array
 Int32Array
 Int8Array
diff --git a/Userland/Libraries/LibWeb/CMakeLists.txt b/Userland/Libraries/LibWeb/CMakeLists.txt
index d68a98f17ed..3af260e28d2 100644
--- a/Userland/Libraries/LibWeb/CMakeLists.txt
+++ b/Userland/Libraries/LibWeb/CMakeLists.txt
@@ -707,6 +707,7 @@ set(SOURCES
     Selection/Selection.cpp
     UIEvents/EventNames.cpp
     UIEvents/FocusEvent.cpp
+    UIEvents/InputEvent.cpp
     UIEvents/KeyboardEvent.cpp
     UIEvents/MouseEvent.cpp
     UIEvents/PointerEvent.cpp
diff --git a/Userland/Libraries/LibWeb/Forward.h b/Userland/Libraries/LibWeb/Forward.h
index 7e84b46edc8..67fd8f3455a 100644
--- a/Userland/Libraries/LibWeb/Forward.h
+++ b/Userland/Libraries/LibWeb/Forward.h
@@ -726,6 +726,7 @@ class SVGTitleElement;
 }
 
 namespace Web::UIEvents {
+class InputEvent;
 class KeyboardEvent;
 class MouseEvent;
 class PointerEvent;
diff --git a/Userland/Libraries/LibWeb/UIEvents/InputEvent.cpp b/Userland/Libraries/LibWeb/UIEvents/InputEvent.cpp
new file mode 100644
index 00000000000..77e79eca52a
--- /dev/null
+++ b/Userland/Libraries/LibWeb/UIEvents/InputEvent.cpp
@@ -0,0 +1,36 @@
+/*
+ * Copyright (c) 2024, Jamie Mansfield <jmansfield@cadixdev.org>
+ *
+ * SPDX-License-Identifier: BSD-2-Clause
+ */
+
+#include <LibWeb/Bindings/InputEventPrototype.h>
+#include <LibWeb/Bindings/Intrinsics.h>
+#include <LibWeb/UIEvents/InputEvent.h>
+
+namespace Web::UIEvents {
+
+JS_DEFINE_ALLOCATOR(InputEvent);
+
+WebIDL::ExceptionOr<JS::NonnullGCPtr<InputEvent>> InputEvent::construct_impl(JS::Realm& realm, FlyString const& event_name, InputEventInit const& event_init)
+{
+    return realm.heap().allocate<InputEvent>(realm, realm, event_name, event_init);
+}
+
+InputEvent::InputEvent(JS::Realm& realm, FlyString const& event_name, InputEventInit const& event_init)
+    : UIEvent(realm, event_name, event_init)
+    , m_data(event_init.data)
+    , m_is_composing(event_init.is_composing)
+    , m_input_type(event_init.input_type)
+{
+}
+
+InputEvent::~InputEvent() = default;
+
+void InputEvent::initialize(JS::Realm& realm)
+{
+    Base::initialize(realm);
+    WEB_SET_PROTOTYPE_FOR_INTERFACE(InputEvent);
+}
+
+}
diff --git a/Userland/Libraries/LibWeb/UIEvents/InputEvent.h b/Userland/Libraries/LibWeb/UIEvents/InputEvent.h
new file mode 100644
index 00000000000..7fa2c0d01cf
--- /dev/null
+++ b/Userland/Libraries/LibWeb/UIEvents/InputEvent.h
@@ -0,0 +1,47 @@
+/*
+ * Copyright (c) 2024, Jamie Mansfield <jmansfield@cadixdev.org>
+ *
+ * SPDX-License-Identifier: BSD-2-Clause
+ */
+
+#pragma once
+
+#include <LibWeb/UIEvents/UIEvent.h>
+
+namespace Web::UIEvents {
+
+struct InputEventInit : public UIEventInit {
+    Optional<String> data;
+    bool is_composing { false };
+    String input_type {};
+};
+
+class InputEvent final : public UIEvent {
+    WEB_PLATFORM_OBJECT(InputEvent, UIEvent);
+    JS_DECLARE_ALLOCATOR(InputEvent);
+
+public:
+    static WebIDL::ExceptionOr<JS::NonnullGCPtr<InputEvent>> construct_impl(JS::Realm&, FlyString const& event_name, InputEventInit const& event_init);
+
+    virtual ~InputEvent() override;
+
+    // https://w3c.github.io/uievents/#dom-inputevent-data
+    Optional<String> data() const { return m_data; }
+
+    // https://w3c.github.io/uievents/#dom-inputevent-iscomposing
+    bool is_composing() const { return m_is_composing; }
+
+    // https://w3c.github.io/uievents/#dom-inputevent-inputtype
+    String input_type() const { return m_input_type; }
+
+private:
+    InputEvent(JS::Realm&, FlyString const& event_name, InputEventInit const&);
+
+    virtual void initialize(JS::Realm&) override;
+
+    Optional<String> m_data;
+    bool m_is_composing;
+    String m_input_type;
+};
+
+}
diff --git a/Userland/Libraries/LibWeb/UIEvents/InputEvent.idl b/Userland/Libraries/LibWeb/UIEvents/InputEvent.idl
new file mode 100644
index 00000000000..75d4c8cbf74
--- /dev/null
+++ b/Userland/Libraries/LibWeb/UIEvents/InputEvent.idl
@@ -0,0 +1,17 @@
+#import <UIEvents/UIEvent.idl>
+
+// https://w3c.github.io/uievents/#inputevent
+[Exposed=Window]
+interface InputEvent : UIEvent {
+    constructor(DOMString type, optional InputEventInit eventInitDict = {});
+    readonly attribute USVString? data;
+    readonly attribute boolean isComposing;
+    readonly attribute DOMString inputType;
+};
+
+// https://w3c.github.io/uievents/#dictdef-inputeventinit
+dictionary InputEventInit : UIEventInit {
+    DOMString? data = null;
+    boolean isComposing = false;
+    DOMString inputType = "";
+};
diff --git a/Userland/Libraries/LibWeb/idl_files.cmake b/Userland/Libraries/LibWeb/idl_files.cmake
index 14b5086932f..af8b194a0fc 100644
--- a/Userland/Libraries/LibWeb/idl_files.cmake
+++ b/Userland/Libraries/LibWeb/idl_files.cmake
@@ -317,6 +317,7 @@ libweb_js_bindings(SVG/SVGUseElement)
 libweb_js_bindings(Selection/Selection)
 libweb_js_bindings(StorageAPI/StorageManager)
 libweb_js_bindings(UIEvents/FocusEvent)
+libweb_js_bindings(UIEvents/InputEvent)
 libweb_js_bindings(UIEvents/KeyboardEvent)
 libweb_js_bindings(UIEvents/MouseEvent)
 libweb_js_bindings(UIEvents/PointerEvent)