Thomas Houston Watson (4 October 1900 – 13 May 1978) was an Irish professional footballer. He began his career with Irish Intermediate League side Crusaders as a half back before joining Cardiff City in 1925 where he converted to defence. He became a regular first team player during his debut season in the Football League and later played in the 1927 FA Cup Final, helping the side become the only team from outside England to win the competition.