Byron Terrance Kelleher (born 3 December 1976 in Dunedin, New Zealand) is a rugby union scrum-half who currently plays for Stade Français in the French Top 14, and has played 57 tests for the All Blacks. He went to Otago Boys' High School, and originally played for Otago in the NPC and the Highlanders in the Super 14, moving north in 2004 to play for Waikato and the Chiefs. He is 1.75m tall and weighs 95 kg. He was New Zealand's Super 12 Player of the Year in 1999. After meeting in 2005 Kelleher began a high profile relationship with pornography star Kaylani Lei, which ended in June 2006.