Simon Culhane (born 10 March 1968 in Invercargill, New Zealand) is a rugby player who won 6 caps playing at fly-half for the New Zealand rugby union side (the All Blacks). He made his international test debut at the age of 27 on 4 June 1995 during the 1995 Rugby World Cup. The match, against Japan was won 145-17 and is the largest winning margin for an All Blacks side.