Joseph Cheng Tsai-fa (4 July 1932 – 2 September 2022) was a Taiwanese Roman Catholic prelate.
Cheng was born in Xiamen, Fujian, and was ordained to the priesthood in 1957. He served as bishop of the Roman Catholic Diocese of Tainan, Taiwan from 1991 to 2004 and served as archbishop of the Roman Catholic Archdiocese of Taipei, Taiwan, from 2004 until 2007 when he retired.[1]