Ivor J. Watts (28 December 1924 – 19 March 2006) was a Welsh postman, and professional rugby league footballer who played in the 1940s, 1950s and 1960s, and coached in the 1970s. He played for Hull FC from 1945–1960, and also represented Cumberland from 1952–1953. Ivor's last match for Hull FC was playing at Wembley on 14 May 1960 in the 1959–60 Challenge Cup Final against Wakefield Trinity in which Hull FC lost 5–38. After his last match he was then appointed assistant-coach from 1960–1970. He became head-coach from 1970–1971 after Johnny Whiteley resigned. During the time Ivor coached Hull F.C. they won 28 out of 45 matches and lost 17. The highest win was 47–5 against Doncaster.