Pui-Yeung Cheung, also known as Chang Pui Yeung or P.Y. Chang (; November 5, 1919September 6, 1987) was a Chinese Episcopalian bishop was served as Bishop of Taiwan (diocesan bishop of the Episcopal Diocese of Taiwan) from 1969 to 1977.
He was born in Guangdong, Republic of China.
An alumnus of Ming Hua Theological College, he was made deacon in May 1966 and ordained priest the following year (by James C. L. Wong, Bishop of Taiwan); and consecrated a bishop on January 6, 1980 (by John Allin, Presiding Bishop, at St John's Cathedral, Taipei).