| Birth Date: | 13 September 1894 |
| Birth Place: | Stockholm, Sweden |
| Death Date: | 7 October 1967 (aged 73) |
| Death Place: | Stockholm, Sweden |
| Sport: | Swimming |
| Club: | SK Neptun, Stockholm |
| Show-Medals: | yes |
Thor Henning (13 September 1894 – 7 October 1967) was a Swedish breaststroke and freestyle swimmer who won a four medals at the 1912, 1920 and 1924 Summer Olympics.[1] At the 1912 Summer Olympics he came second after German Walter Bathe in the 400 m breaststroke, and in 1920 he was beaten by teammate Håkan Malmrot in the 200 m and 400 m breaststroke.