| Roles | Competed in Olympic Games |
|---|---|
| Sex | Male |
| Full name | John•O'Brien |
| Used name | John•O'Brien |
| Nick/petnames | Obie |
| Born | 8 October 1931 in Melbourne, Victoria (AUS) |
| Died | 13 May 2020 |
| Measurements | 179 cm / 79 kg |
| NOC | Australia |
John O’Brien played Olympic water polo for Australia at the 1956 and 1960 Olympics. He was on the Victorian state team from 1953-70, captaining the team from 1959-68 and serving as player-coach from 1967-70. He coached the Richmond Water Polo Club for almost 20 years and was made a life member of the Victorian Water Polo Association. In 2010 he was inducted into the Water Polo Australia Hall of Fame.
| Games | Discipline (Sport) / Event | NOC / Team | Pos | Medal | As | |
|---|---|---|---|---|---|---|
| 1956 Summer Olympics | Water Polo (Aquatics) | AUS |
John O'Brien | |||
| Water Polo, Men (Olympic) | Australia | 9 | ||||
| 1960 Summer Olympics | Water Polo (Aquatics) | AUS |
John O'Brien | |||
| Water Polo, Men (Olympic) | Australia | =13 |