Introduction
John O'Sullivan is a New Zealand rugby league player who represented his country in the 1972 and 1975 World Cups.
Early years
O'Sullivan attended Rosmini College.
Playing career
O'Sullivan played for the Northcote Tigers in the Auckland Rugby League competition and also represented Auckland.
By 1971 he had moved to the Ponsonby club.
He was first selected for the New Zealand Kiwis in 1971, however he did not make his debut until the second test match against Australia in 1972. He was part of the squad at the 1972 World Cup.
In 1974 O'Sullivan was part of the Auckland side that defeated Great Britain 11-2 at Carlaw Park. He also played in the three match test series against Great Britain for the Kiwis.
In 1975 O'Sullivan played for Auckland in their defeat of Wales and also played for the Kiwis in the 1975 World Championship. The World Championship match against Wales was the last of his ten test matches for New Zealand.
He moved to Wellington in 1976 and became a Wellington representative before retiring.
Coaching career
In 1984 he coached a Kiwi's trial team. He coached the Northcote Tigers in the 1986 Auckland Rugby League competition.