Sanyu (San Yu or Chang Yu) (1901-1966), born 14 October 1901 in Nanchong, Sichuan Province) was a Chinese-French painter.

Sanyu (or Chang Yu) was born in Nanchong, Sichuan Province, on 14 October 1901. His family owned one of the largest silk-weaving mills in Sichuan, the Dehe Silk Factory, which was managed by Sanyu's eldest brother Chang Junmin. The business was so successful that Junmin earned the accolade Millionaire Chang of Nanchong and the annals of the city of Nanchong record and applaud his accomplishments. Thirty-seven years older than Sanyu, Junmin doted on his younger brother and, recognizing his interest and talent in art, spared little to support and encourage all his artistic endeavors. The family's wealth ...