diff --git a/ports/cpp-async/portfile.cmake b/ports/cpp-async/portfile.cmake
new file mode 100644
index 00000000000..a9ef1265910
--- /dev/null
+++ b/ports/cpp-async/portfile.cmake
@@ -0,0 +1,13 @@
+vcpkg_from_github(
+    OUT_SOURCE_PATH SOURCE_PATH
+    REPO microsoft/cpp-async
+    REF "v${VERSION}"
+    SHA512 c3a6700c86d6bec2680c9d0edfe3ed02e83f8ecec134163243a7bfa4e12d4867a47d64eadd377de9b2a69401b8b512e0ee274275895a8f301c266db24b6e0a4b
+    HEAD_REF main
+)
+
+file(COPY "${SOURCE_PATH}/include/async" DESTINATION "${CURRENT_PACKAGES_DIR}/include")
+
+vcpkg_install_copyright(FILE_LIST "${SOURCE_PATH}/LICENSE")
+
+file(INSTALL "${CMAKE_CURRENT_LIST_DIR}/usage" DESTINATION "${CURRENT_PACKAGES_DIR}/share/${PORT}")
diff --git a/ports/cpp-async/usage b/ports/cpp-async/usage
new file mode 100644
index 00000000000..13d56082359
--- /dev/null
+++ b/ports/cpp-async/usage
@@ -0,0 +1,4 @@
+cpp-async is header-only and can be used from CMake via:
+
+    find_path(CPP_ASYNC_INCLUDE_DIRS "async/task.h")
+    target_include_directories(main PRIVATE ${CPP_ASYNC_INCLUDE_DIRS})
diff --git a/ports/cpp-async/vcpkg.json b/ports/cpp-async/vcpkg.json
new file mode 100644
index 00000000000..476d22cb1a5
--- /dev/null
+++ b/ports/cpp-async/vcpkg.json
@@ -0,0 +1,7 @@
+{
+  "name": "cpp-async",
+  "version": "1.0.0",
+  "description": "Support types and functions for C++20 coroutines",
+  "homepage": "https://github.com/microsoft/cpp-async",
+  "license": "MIT"
+}
diff --git a/versions/baseline.json b/versions/baseline.json
index 0853ac17569..46c7c335bf1 100644
--- a/versions/baseline.json
+++ b/versions/baseline.json
@@ -1728,6 +1728,10 @@
       "baseline": "2020.06",
       "port-version": 5
     },
+    "cpp-async": {
+      "baseline": "1.0.0",
+      "port-version": 0
+    },
     "cpp-base64": {
       "baseline": "V2.rc.08",
       "port-version": 0
diff --git a/versions/c-/cpp-async.json b/versions/c-/cpp-async.json
new file mode 100644
index 00000000000..648cf85f0bc
--- /dev/null
+++ b/versions/c-/cpp-async.json
@@ -0,0 +1,9 @@
+{
+  "versions": [
+    {
+      "git-tree": "f1eaddcca26f72bb7be5a6227bffd3897798341c",
+      "version": "1.0.0",
+      "port-version": 0
+    }
+  ]
+}