Xuefeng Yicun (822-908) (Chinese: 雪峰义存; Wade–Giles: Hsüeh-feng I-ts'un; pinyin: Xuěfēng Yìcún; Japanese: Seppō Gison) was a Chinese Chan-master who was influential during the Tang Dynasty. The Yunmen school and Fayan school originated with descendants of his lineage.