Peter Robert Tyler Thorburn MNZM (19 March 1939 – 26 January 2021) was a New Zealand rugby union player and coach. He played his entire career as a flanker for Auckland from 1965 to 1970. He became a coach after his playing career came to an end, coaching domestically at first for North Harbour and the New Zealand national rugby sevens team. He later coached in England with Bristol Rugby from 2001 to 2003, before becoming interim head coach of the United States national rugby union team and guiding the side to the 2007 Rugby World Cup. He was also a selector for the All Blacks.