Sydney John Dawes (29 June 194016 April 2021) was a Welsh rugby union player, playing at centre, and later coach. He captained London Welsh, Wales, the 1971 British Lions and the Barbarians. He is credited with being a major influence in these teams' success, and in the attractive, attacking, free-flowing rugby they played. Dawes also had considerable success as a coach with Wales, and coached the 1977 British Lions. He was made an OBE in the 1972 New Year Honours List for services to sport.