| Birth Date: | 4 July 1884 |
| Birth Place: | Malmö, Sweden |
| Death Date: | 24 December 1970 (aged 86) |
| Death Place: | Malmö, Sweden |
| Sport: | Greco-Roman wrestling |
| Club: | GAK Enighet, Malmö IK Sparta, Malmö |
| Show-Medals: | yes |
Gustaf Hjalmar Malmström (4 July 1884 – 24 December 1970) was a lightweight Greco-Roman wrestler from Sweden. He competed at the 1908 and 1912 Summer Olympics and finished in fifth and second place, respectively.[1] Earlier he won a silver medal at the 1911 World Championships and two gold medals at the 1907 and 1909 unofficial European championships.