Jonathan Lynn Griffiths (born 23 August 1964) is a Welsh former rugby union, and professional rugby league footballer who played as a stand-off or scrum-half in the 1980s and 1990s. Griffiths attained his first cap for the Wales national rugby union team 11 June 1988 versus New Zealand. Griffiths was a Great Britain and Wales international and played at the 1995 Rugby League World Cup. Jonathan Griffiths played Scrum-half in St. Helens 4–5 defeat by Wigan in the 1992 Lancashire County Cup Final during the 1992–93 season at Knowsley Road, St. Helens on Sunday 18 October 1992.