Huiyun (惠运) was a monk of the Northern Wei dynasty. He is known for his translation of the Mahāprajñāpāramitā Upadeśa (大智度论), a commentary on the Perfection of Wisdom Sutra attributed to Nagarjuna.
Catalog of Teachings Brought by Master Huiyun (惠運禪師將來教法目錄)