Stephen Kelly Petterson MNZM (born 2 August 1957) is a competitive rifle shooter from New Zealand. Petterson was born in Auckland in 1957. A veteran of four Olympic Games and five Commonwealth Games, he has won a total of four gold medals and a silver medal at the Commonwealth Games. He was the flag bearer for New Zealand at the closing ceremony of the 1994 Commonwealth Games. In the 1999 New Year Honours, Petterson was appointed a Member of the New Zealand Order of Merit, for services to smallbore rifle shooting.