| Birth Date: | 24 December 1887 |
| Birth Place: | Gothenburg, Sweden |
| Death Date: | 25 July 1956 (aged 68) |
| Death Place: | Gothenburg, Sweden |
| Sport: | Diving |
| Club: | Simklubben S02, Göteborg SK Delfin, Göteborg |
| Show-Medals: | yes |
Gustaf Adolf Viktor Blomgren (24 December 1887 – 25 July 1956) was a Swedish diver who competed in the 1912 and 1920 Summer Olympics.[1] In 1912 he won the bronze medal in the 10 m platform. Eight years later, he finished fourth in the 3 m springboard and in the 10 m platform events. During his diving career, Blomgren won five Swedish titles in the springboard and platform. He worked for the Gothenburg tram services.