Zhī Zhōu 知周 (668–723) was a mid-Tang Yogācāra and Vinaya scholar at Chángān, a third-generation disciple in the Cí’ēn 慈恩 (Yogācāra) lineage of Xuánzàng 玄奘 (玄奘) and Kuījī 窺基. His extant works include comprehensive Yogācāra commentaries (the Chéngwéishí lùn yǎnmì 成唯識論演祕 etc.) and the Fànwǎngjīng púsàjièběn shū 梵網經菩薩戒本疏 (KR6k0092) — a two-fascicle Yogācāra commentary on the Fànwǎng bodhisattva-precepts. He is a major figure in the Cí’ēn Yogācāra scholastic tradition.