Cheng Chao-tsun (Chinese: ???; Hanyu Pinyin: Zhèng Zhà ocun; Tongyong Pinyin: Jhèng Jhà o-cun; born 17 October 1993) is a Taiwanese track and field athlete who competes in the javelin throw.
His personal best of 91.36 m, set in 2017, is the Asian record.