Mù Zǐzhāo 穆子昭 (fl. early 13th c.) was a member of the 麻九疇 Má Jiǔchóu circle who helped transmit the manuscript of 劉完素 Liú Wánsù’s Sānxiāo lùn (KR3eh047) from Liú’s descendants to the Jǐnxī yělǎo 錦溪野老 recension of 1232.