Daisuke Watanabe (渡辺 大輔, Watanabe Daisuke, born 29 May 1975) is a Japanese track and field athlete. He competed in the men's long jump at the 2000 Summer Olympics. His wife Ryoko (née Jojima) was the 1992 Asian junior champion in the 100 metres hurdles. His nephew Yuki Hashioka is the former Japanese record holder in the long jump. He is currently the director and advisor of the track and field club at Hachioji High School. He coached his nephew Yuki Hashioka from 2014 to 2017.