Montgomery Junior "Monty" Betham (born 12 March 1978) is a professional boxer, and former professional rugby league footballer. A New Zealand international representative hooker and lock, he played club football for the New Zealand Warriors in the National Rugby League, and for the Wakefield Trinity Wildcats (captain) (Heritage № 1234) in the Super League.
Betham was born in Auckland, New Zealand on 12 March 1978. His father, Samoan-born Monty Betham Sr., had 53 professional fights as a middleweight or light heavyweight from 1973-1982.
Betham was a Bay Roskill Vikings junior, he was selected to play for Samoa at the 2000 World Cup. Betham went on to change his international allegiance and represent New Zealand in eight tests His position of choice was at lock but he also played at hooker and second-row. On the field Betham was known for his aggressive style of play. He was once voted the player that the opposition players least want to pick a fight with in an NRL players' poll.