Anthony Stewart (born 5 March 1979) is a British professional rugby league footballer for Salford of Super League. An Ireland international and Lancashire representative winger, he previously played for St. Helens, with whom he won a World Club Challenge, Challenge Cup and a Super League grand final.
He began playing at Hindley Juniors before joining Saints. Having won the 1999 Championship, St. Helens contested in the 2000 World Club Challenge against National Rugby League Premiers the Melbourne Storm, with Stewart playing from the interchange bench in the loss. As Super League V champions, St. Helens played against 2000 NRL Premiers, the Brisbane Broncos in the 2001 World Club Challenge. Stewart played from the interchange bench in Saints' victory. Stewart played for St. Helens on the wing in their 2002 Super League Grand Final victory against the Bradford Bulls. Having won Super League VI, St Helens contested the 2003 World Club Challenge against 2002 NRL Premiership-winners, the Sydney Roosters. Stewart played at on the wing in Saints' 38-0 loss.
Anthony signed for Salford City Reds on loan from St. Helens in 2004. He signed permanently in 2005. He was named in the Ireland training squad for the 2008 Rugby League World Cup.