diff --git a/mingw-w64-mimalloc/PKGBUILD b/mingw-w64-mimalloc/PKGBUILD
new file mode 100644
index 0000000000..56bdf7c251
--- /dev/null
+++ b/mingw-w64-mimalloc/PKGBUILD
@@ -0,0 +1,43 @@
+# Maintainer: Ranieri Althoff <ranisalt+aur@gmail.com>
+# Contributor (MSYS2): Rafal Brzegowy <rafal.brzegfowy@yahoo.com>
+
+_realname=mimalloc
+pkgbase=mingw-w64-${_realname}
+pkgname=("${MINGW_PACKAGE_PREFIX}-${_realname}")
+pkgver=2.0.3
+pkgrel=1
+pkgdesc='General-purpose allocator with excellent performance characteristics (mingw-w64)'
+arch=('any')
+mingw_arch=('mingw32' 'mingw64' 'ucrt64' 'clang64')
+license=('MIT')
+url='https://github.com/microsoft/mimalloc'
+depends=("${MINGW_PACKAGE_PREFIX}-gcc-libs")
+makedepends=("${MINGW_PACKAGE_PREFIX}-ninja"
+             "${MINGW_PACKAGE_PREFIX}-cmake")
+source=("https://github.com/microsoft/${_realname}/archive/refs/tags/v${pkgver}.tar.gz")
+sha256sums=('5AF497F360879BF9D07A5146961D275A25F4177FBE21EE6C437DB604422ACD60')
+
+build() {
+  [[ -d "${srcdir}/build-${MSYSTEM}" ]] && rm -rf "${srcdir}/build-${MSYSTEM}"
+  mkdir -p "${srcdir}/build-${MSYSTEM}" && cd "${srcdir}/build-${MSYSTEM}"
+
+  export=WIN32
+
+  MSYS2_ARG_CONV_EXCL="-DCMAKE_INSTALL_PREFIX=" \
+    ${MINGW_PREFIX}/bin/cmake \
+      -GNinja \
+      -DCMAKE_INSTALL_PREFIX=${MINGW_PREFIX} \
+      ../${_realname}-${pkgver}
+
+  ${MINGW_PREFIX}/bin/cmake --build .
+}
+
+package() {
+  cd "${srcdir}/build-${MSYSTEM}"
+  DESTDIR=${pkgdir} cmake --build . --target install
+  install -Dm644 ${srcdir}/${_realname}-${pkgver}/LICENSE ${pkgdir}${MINGW_PREFIX}/share/licenses/${_realname}/LICENSE 
+
+  #Temporary fix: The DLL gets installed to ../lib/libmimalloc.dll instead of ../bin/libmimalloc.dll
+  mkdir -p ${pkgdir}${MINGW_PREFIX}/bin/mimalloc-2.0
+  mv ${pkgdir}${MINGW_PREFIX}/lib/mimalloc-2.0/*.dll ${pkgdir}${MINGW_PREFIX}/bin/mimalloc-2.0
+}