| Full Name: | Gisela Eva Margareta Thidholm |
| Birth Date: | 23 June 1930 |
| Birth Place: | Malmö, Sweden |
| Death Date: | 6 May 2009 (aged 78) |
| Death Place: | Växjö, Sweden |
| Strokes: | Freestyle |
| Club: | Trelleborgs SS |
| Show-Medals: | yes |
Gisela Eva Margareta Thidholm (23 June 1930 – 6 May 2009) was a Swedish freestyle swimmer who won a bronze medal in the 4×100 m relay at the 1950 European Aquatics Championships.[1] She competed at the 1948 Olympics in the 400 m and 4×100 m events, but failed to reach the finals.
Thidholm represented Trelleborgs SS.[1]