| Roles | Competed in Olympic Games |
|---|---|
| Sex | Male |
| Full name | Geoffrey "Geoff"•Williamson |
| Used name | Geoff•Williamson |
| Born | 10 July 1923 in Sydney, New South Wales (AUS) |
| Died | 17 September 2009 in Ryde, New South Wales (AUS) |
| Affiliations | Murray Bridge Rowing Club, Murray Bridge (AUS) / Leichhardt Rowing Club, Leichhardt (AUS) |
| NOC | Australia |
| Medals | OG |
| Gold | 0 |
| Silver | 0 |
| Bronze | 1 |
| Total | 1 |
Geoff Williamson had the following podium finishes at major championships: 3rd in the 1952 Olympics Eighths; 1st in the 1954 British Empire and Commonwealth Games Coxed Fours, 3rd in the 1954 British Empire and Commonwealth Games Coxless Pairs (with David Anderson).
| Games | Discipline (Sport) / Event | NOC / Team | Pos | Medal | As | |
|---|---|---|---|---|---|---|
| 1952 Summer Olympics | Rowing | AUS |
Geoff Williamson | |||
| Eights, Men (Olympic) | Australia | 3 | Bronze | |||
| 1956 Summer Olympics | Rowing | AUS |
Geoff Williamson | |||
| Coxless Fours, Men (Olympic) | Australia | 4 h2 r3/4 |