diff --git a/ports/liblsquic/disable-asan.patch b/ports/liblsquic/disable-asan.patch
new file mode 100644
index 00000000000000..2b05d0ee3a5dee
--- /dev/null
+++ b/ports/liblsquic/disable-asan.patch
@@ -0,0 +1,23 @@
+diff --git a/CMakeLists.txt b/CMakeLists.txt
+index 65c4776..5d4086a 100644
+--- a/CMakeLists.txt
++++ b/CMakeLists.txt
+@@ -60,12 +60,12 @@ ENDIF()
+ 
+ IF(CMAKE_BUILD_TYPE STREQUAL "Debug")
+     SET(MY_CMAKE_FLAGS "${MY_CMAKE_FLAGS} -O0 -g3")
+-    IF(CMAKE_C_COMPILER MATCHES "clang" AND
+-                        NOT "$ENV{TRAVIS}" MATCHES "^true$" AND
+-                        NOT "$ENV{EXTRA_CFLAGS}" MATCHES "-fsanitize")
+-        SET(MY_CMAKE_FLAGS "${MY_CMAKE_FLAGS} -fsanitize=address")
+-        SET(LIBS ${LIBS} -fsanitize=address)
+-    ENDIF()
++    # IF(CMAKE_C_COMPILER MATCHES "clang" AND
++    #                     NOT "$ENV{TRAVIS}" MATCHES "^true$" AND
++    #                     NOT "$ENV{EXTRA_CFLAGS}" MATCHES "-fsanitize")
++    #     SET(MY_CMAKE_FLAGS "${MY_CMAKE_FLAGS} -fsanitize=address")
++    #     SET(LIBS ${LIBS} -fsanitize=address)
++    # ENDIF()
+     # Uncomment to enable cleartext protocol mode (no crypto):
+     #SET (MY_CMAKE_FLAGS "${MY_CMAKE_FLAGS} -DLSQUIC_ENABLE_HANDSHAKE_DISABLE=1")
+ ELSE()
diff --git a/ports/liblsquic/portfile.cmake b/ports/liblsquic/portfile.cmake
new file mode 100644
index 00000000000000..1d3276082bf7db
--- /dev/null
+++ b/ports/liblsquic/portfile.cmake
@@ -0,0 +1,76 @@
+if(WIN32)
+  # The lib uses CMAKE_WINDOWS_EXPORT_ALL_SYMBOLS, at least until
+  # https://github.com/litespeedtech/lsquic/pull/371 or similar is merged
+  vcpkg_check_linkage(ONLY_STATIC_LIBRARY)
+endif()
+
+vcpkg_from_github(OUT_SOURCE_PATH SOURCE_PATH
+    REPO litespeedtech/lsquic
+    REF v3.1.1
+    SHA512 b4675be355703fea12f4b7d24812b93e739b2dbef04e3d8108b6fbe45dd16c129c9e04e58cdcfdf2a4448ee2edea68565dbd2445a76515bbdc8d9980f4210bee
+    HEAD_REF master
+    PATCHES disable-asan.patch)
+
+# Submodules
+vcpkg_from_github(OUT_SOURCE_PATH LSQPACK_SOURCE_PATH
+    REPO litespeedtech/ls-qpack
+    REF v2.3.0
+    HEAD_REF master
+    SHA512 7f5a9dd15bcd32c1bfafbecc5cea4da30f50a852c02d2bd140a2baaafd80ccb822c1701b0d20699af6367e9c712f4fe019741507c44156e9897d25162de0b8b4
+)
+if(NOT EXISTS "${SOURCE_PATH}/src/ls-hpack/CMakeLists.txt")
+    file(REMOVE_RECURSE "${SOURCE_PATH}/src/liblsquic/ls-qpack")
+    file(RENAME "${LSQPACK_SOURCE_PATH}" "${SOURCE_PATH}/src/liblsquic/ls-qpack")
+endif()
+
+vcpkg_from_github(OUT_SOURCE_PATH LSHPACK_SOURCE_PATH
+    REPO litespeedtech/ls-hpack
+    REF v2.3.0
+    HEAD_REF master
+    SHA512 45866b18042125cbbd008eed2935a938a42e1682030aa52ff4a324ddbad7bf9bd483161352cc8988bae668e132ee8b4b043ddc09d9e0316a66aaefd927ae2d76
+)
+if(NOT EXISTS "${SOURCE_PATH}/src/lshpack/CMakeLists.txt")
+    file(REMOVE_RECURSE "${SOURCE_PATH}/src/lshpack")
+    file(RENAME "${LSHPACK_SOURCE_PATH}" "${SOURCE_PATH}/src/lshpack")
+endif()
+
+# Configuration
+vcpkg_find_acquire_program(PERL)
+
+string(COMPARE EQUAL "${VCPKG_LIBRARY_LINKAGE}" "dynamic" LSQUIC_SHARED_LIB)
+
+vcpkg_cmake_configure(
+  SOURCE_PATH "${SOURCE_PATH}"
+  OPTIONS
+    "-DPERL=${PERL}"
+    "-DPERL_EXECUTABLE=${PERL}"
+    "-DLSQUIC_SHARED_LIB=${LSQUIC_SHARED_LIB}"
+    "-DBORINGSSL_INCLUDE=${CURRENT_INSTALLED_DIR}/include"
+    -DLSQUIC_BIN=OFF
+    -DLSQUIC_TESTS=OFF
+  OPTIONS_RELEASE
+    "-DBORINGSSL_LIB=${CURRENT_INSTALLED_DIR}/lib"
+  OPTIONS_DEBUG
+    "-DBORINGSSL_LIB=${CURRENT_INSTALLED_DIR}/debug/lib"
+    -DLSQUIC_DEVEL=ON
+)
+
+vcpkg_cmake_install()
+if(VCPKG_TARGET_IS_WINDOWS)
+  # Upstream removed installation of this header after merging changes
+  file(INSTALL "${SOURCE_PATH}/wincompat/vc_compat.h" DESTINATION "${CURRENT_INSTALLED_DIR}/include/lsquic")
+endif()
+
+vcpkg_cmake_config_fixup(PACKAGE_NAME lsquic)
+
+# Concatenate license files and install
+vcpkg_install_copyright(FILE_LIST 
+  "${SOURCE_PATH}/LICENSE" 
+  "${SOURCE_PATH}/LICENSE.chrome"
+)
+
+file(INSTALL "${CURRENT_BUILDTREES_DIR}/copyright" DESTINATION "${CURRENT_PACKAGES_DIR}/share/${PORT}")
+
+# Remove duplicated include directory
+file(REMOVE_RECURSE "${CURRENT_PACKAGES_DIR}/debug/include")
+
diff --git a/ports/liblsquic/vcpkg.json b/ports/liblsquic/vcpkg.json
new file mode 100644
index 00000000000000..481a3bf16ed28e
--- /dev/null
+++ b/ports/liblsquic/vcpkg.json
@@ -0,0 +1,24 @@
+{
+  "name": "liblsquic",
+  "version": "3.1.1",
+  "description": "An implementation of the QUIC and HTTP/3 protocols.",
+  "homepage": "https://github.com/litespeedtech/lsquic",
+  "license": "MIT AND BSD-3-Clause",
+  "supports": "!x86",
+  "dependencies": [
+    "boringssl",
+    {
+      "name": "getopt",
+      "platform": "windows"
+    },
+    {
+      "name": "vcpkg-cmake",
+      "host": true
+    },
+    {
+      "name": "vcpkg-cmake-config",
+      "host": true
+    },
+    "zlib"
+  ]
+}
diff --git a/versions/baseline.json b/versions/baseline.json
index 996472f6500f16..0d63b37184554f 100644
--- a/versions/baseline.json
+++ b/versions/baseline.json
@@ -3780,6 +3780,10 @@
       "baseline": "1.16.0",
       "port-version": 0
     },
+    "liblsquic": {
+      "baseline": "3.1.1",
+      "port-version": 0
+    },
     "liblzma": {
       "baseline": "5.2.5",
       "port-version": 6
diff --git a/versions/l-/liblsquic.json b/versions/l-/liblsquic.json
new file mode 100644
index 00000000000000..e182c28c553f8d
--- /dev/null
+++ b/versions/l-/liblsquic.json
@@ -0,0 +1,9 @@
+{
+  "versions": [
+    {
+      "git-tree": "f6f4593aba81acc749f3223d0fd3987d5920b164",
+      "version": "3.1.1",
+      "port-version": 0
+    }
+  ]
+}