Jon Clarke (born 4 April 1979) is an English former professional rugby league player who played as a hooker.Jon is currently Head of Performance at Manly-Warringah Sea Eagles in the NRL.He was previously the strength & conditioning coach for the England and British & Irish Lions rugby union teams.

[2][3] He represented Great Britain Academy as captain whilst coming through the junior ranks at Wigan Warriors, he played in their 1997 Premiership Final winning side against St. Helens.

He followed his Wigan Warriors coach John Monie to the London Broncos in 2000, but returned north in 2001 when the Warrington Wolves were forced to sign a hooker on loan to solve an injury crisis.

[4] The Warrington Wolves fans voted him 'Greatest Hooker' in the club's history, beating John Thursfield and Mark Roskell into 2nd and 3rd place.

[citation needed] He was forced to rule himself out contention for the England training squad for the 2008 Rugby League World Cup through injury.