| Strokes: | Freestyle |
| Club: | Katrineholms SS |
| Birth Date: | 27 December 1944 |
| Birth Place: | Katrineholm, Sweden |
| Height: | 1.87 m |
| Weight: | 85 kg |
| Show-Medals: | yes |
Hans Viktor Rosendahl (27 December 1944 – 23 November 2021) was a Swedish freestyle swimmer. He competed at the 1964 Summer Olympics in the 400 m and 4 × 200 m and finished fifth in the relay. He won a gold and a silver medal in these events at the 1962 European Aquatics Championships.