| Birth Date: | 18 February 1888 |
| Birth Place: | Stockholm, Sweden |
| Death Date: | 29 April 1974 (aged 86) |
| Death Place: | Bromma, Stockholm, Sweden |
| Sport: | Sailing |
| Club: | SSS, Stockholm |
| Show-Medals: | yes |
Sven Gustav Thorell (18 February 1888 – 29 April 1974) was a Swedish sailor who competed in the mixed one-person dinghy event at the 1928 and 1932 Summer Olympics. He won the gold medal in 1928 and finished ninth in 1932. In 1933–34 Thorell was president of the Swedish Canoe Federation.