Daniel Fish (born 19 December 1990) is a Cardiff-born Welsh rugby union player. Originally a full-back, he played club rugby for the Cardiff Rugby and Cardiff RFC, having previously played for Glamorgan Wanderers RFC. Fish was capped at Wales Under-20 level and played regularly as a fly-half. He retired professionally in 2021, but continues to play semi-pro rugby at Cardiff RFC. He is known for a high level of kicking skills, which gave him the nickname "The Codfather".