Ku Chin-shui (Chinese: ???; pinyin: Gu Jinshui; Wade–Giles: Ku Chin-shui, 15 January 1960 – 25 May 2016) was an Amis Taiwanese decathlete and pole vaulter.
He medaled for Chinese Taipei at the Asian Athletics Championships six times, winning one gold medal, two silver, and three bronze.
At the 1990 Asian Games, he earned a silver medal in the decathlon.
Upon retiring from athletics, he became a physical education teacher.