Bǎizhàng Huáihǎi 百丈懷海
Táng-dynasty Chán master (720–814), leading Hóngzhōu-school heir of Mǎzǔ Dàoyī 馬祖道一; teacher of Wéishān Língyòu 溈山靈祐 and the figure traditionally credited with the Bǎizhàng qīngguī 百丈清規 monastic-regulations tradition.
Táng-dynasty Chán master (720–814), leading Hóngzhōu-school heir of Mǎzǔ Dàoyī 馬祖道一; teacher of Wéishān Língyòu 溈山靈祐 and the figure traditionally credited with the Bǎizhàng qīngguī 百丈清規 monastic-regulations tradition.