| Terry O'Sullivan | |
| Birth Name: | Terence Patrick Anthony O'Sullivan |
| Birth Date: | 27 November 1936 |
| Birth Place: | New Plymouth, New Zealand |
| Death Place: | Mount Ruapehu, New Zealand |
| Ru Position: | Second five-eighth, centre, wing |
| Height: | 1.73 m |
| Weight: | 70 kg |
| Repyears1: | 1960–1962 |
| Repcaps1: | 4 |
| Reppoints1: | 3 |
| Provinceyears1: | 1955–1966 |
| Provinceapps1: | 104 |
| Occupation: | Dairy farmer |
Terence Patrick O'Sullivan (27 November 1936 – 25 April 1997) was a New Zealand rugby union player. A midfield back or wing, O'Sullivan represented at a provincial level, and was a member of the New Zealand national side, the All Blacks, from 1960 to 1962. He played 16 matches for the All Blacks including four internationals.[1]
A dairy farmer at Ōkato, O'Sullivan died while tramping on Mount Ruapehu on 25 April 1997, aged 60.[2]