| Birth Date: | 31 October 1905 |
| Birth Place: | Durban, Colony of Natal |
| Death Date: | April 1972 (aged 66) |
| Height: | 185 cm |
| Weight: | 73 kg |
| Sport: | Athletics |
| Event: | 110 m hurdles, decathlon |
| Pb: | 110 mH – 14.6 (1928) |
| Show-Medals: | yes |
George Collinson Weightman-Smith (31 October 1905 – April 1972) was a South African athlete who competed at the 1928 Summer Olympics. He finished 21st in the javelin throw and fifth in the 110 m hurdles, behind the teammate Sid Atkinson who won gold; he failed to complete his decathlon program.