James William Mark Roby (born 22 November 1985) is an English professional rugby league footballer who plays as a hooker for St Helens in the Super League, and for Great Britain and England at international level.
He has played his entire professional career to date at St Helens, winning 2006's, 2014's and 2019's Super League Championships with them and the Challenge Cup in 2006, 2007 and 2008.
Individually, he has been named to the Super League Dream Team on five occasions, won the 2014 Harry Sunderland Trophy, and was the 2007 Man of Steel.