Simon Keogh (born 1979) is a retired rugby union player who played on the wing and scrum half for Leinster Rugby and for Harlequins F.C. In 2000, Simon was named Leinster Rugby Young Player of the Year. In 2004, whilst playing with Harlequins F.C. he won the Challenge Cup scoring the winning try in injury-time against Clermont-Ferrand (now ASM Clermont Auvergne). He was named Supporters' Player of the Year for Harlequins in the 2005/06 season. After returning to Leinster Rugby, he has won the Heineken Cup with them in 2009.