Geoff Mardon
| Born | 24 November 1927 Christchurch, New Zealand |
|---|---|
| Died | 6 August 2015 (aged 87) Christchurch, New Zealand |
| Career history | |
| 1951 | Aldershot Shots |
| 1952–1954 | Wimbledon Dons |
| 1959 | Southampton Saints |
| Individual honours | |
| 1954 | Brandonapolis |
| 1964 | New Zealand Champion |
| Team honours | |
| 1954 | National League Champions |
| 1953 | National Trophy |
| 1954 | RAC Cup Winner |
Geoffrey Cyril Mardon (24 November 1927 – 6 August 2015) was a New Zealand motorcycle speedway rider. He earned 10 caps for the New Zealand national speedway team.