| Event: | Swimming |
| Games: | 1920 Summer |
| Venue: | Stade Nautique d'Antwerp |
| Dates: | 22–29 August 1920 |
| Num Events: | 10 |
| Competitors: | 116 |
| Nations: | 19 |
| Prev: | 1912 |
| Next: | 1924 |
At the 1920 Summer Olympics in Antwerp, ten swimming events were contested.[1] The women's 300 metre freestyle event was new since the previous Games in 1912. The competitions were held from Sunday August 22, 1920, to Sunday August 29, 1920. There was a total of 116 participants from 19 countries competing.
| 100 m freestyle | ||||
| 400 m freestyle | ||||
| 1500 m freestyle | ||||
| 100 m backstroke | ||||
| 200 m breaststroke | ||||
| 400 m breaststroke | ||||
| 4 × 200 m freestyle relay | Duke Kahanamoku Pua Kealoha Perry McGillivray Norman Ross | Frank Beaurepaire Henry Hay William Herald Ivan Stedman | Harold Annison Edward Peter Leslie Savage Henry Taylor |
| 100 m freestyle | ||||
| 300 m freestyle | ||||
| 4 × 100 m freestyle relay | Ethelda Bleibtrey Irene Guest Frances Schroth Margaret Woodbridge | Hilda James Constance Jeans Grace McKenzie Charlotte Radcliffe | Aina Berg Jane Gylling Emily Machnow Carin Nilsson |
A total of 116 swimmers (92 men and 24 women) from 19 nations (men from 17 nations - women from 9 nations) competed at the Antwerp Games: