John D. Joyner (), also known by the nickname of "JJ", is an English former professional rugby league footballer who played in the 1970s, 1980s and 1990s, and coached in the 1990s. He played at representative level for Great Britain, England and Yorkshire, and at club level for Castleford (Heritage № 551), as a , or , and coached at club level for Castleford. Background Joyner was born in Leeds, West Riding of Yorkshire, England. Playing career International honours John Joyner won caps for England while at Castleford in 1980 against Wales, and France, in 1981 against France, and Wales, and won caps for Great Britain while at Castleford in 1978 against Australia (2 matches), in 1979 against Australia (3 matches), and New Zealand (3 matches), in 1980 against New Zealand (3 matches), in 1983 against France (2 matches), and in 1984 against France, and New Zealand (sub) (3 matches). In addition to the above Test Matches, John Joyner played right- in Great Britain's 7-8 defeat by France in the friendly at Stadio Pier Luigi Penzo, Venice on Saturday 31 July 1982. County honours John Joyner won caps for Yorkshire while at Castleford playing and scoring a try in the 12-12 draw with Cumberland at Whitehaven's stadium on 15 February 1977, playing and scoring a try in the 37-9 victory over Lancashire at Hull FC's stadium on 20 September 1978, playing in the 7-23 defeat by Lancashire at Widnes' stadium on 27 September 1978, playing in the 16-19 defeat by Lancashire at Castleford's stadium on 12 September 1979, and in the 16-17 defeat by Cumberland at Hull Kingston Rovers' stadium on 17 September 1980. Challenge Cup Final appearances John Joyner played and was captain in Castleford's 15-14 victory over Hull Kingston Rovers in the 1985–86 Challenge Cup Final during the 1985–86 season at Wembley Stadium, London on Saturday 3 May 1986. County Cup Final appearances John Joyner played right- in Castleford's 17-7 victory over Featherstone Rovers in the 1977–78 Yorkshire Cup Final during the 1977–78 season at Headingley, Leeds on Saturday 15 October 1977, played , and scored a try in the 10-5 victory over Bradford Northern in the 1981–82 Yorkshire Cup Final during the 1981–82 season at Headingley, Leeds on Saturday 3 October 1981, played in the 2-13 defeat by Hull F.C. in the 1983–84 Yorkshire Cup Final during the 1983–84 season at Elland Road, Leeds on Saturday 15