| Constance Jeans | |
| Fullname: | Constance Mabel Jeans |
| National Team: | Great Britain |
| Strokes: | Freestyle |
| Club: | Nottingham Ladies' SC |
| Birth Date: | 23 April 1899 |
| Birth Place: | Nottingham, England[1] |
| Death Place: | Falmouth, England |
Constance Mabel Jeans (23 August 1899 – 31 March 1984) was an English competitive swimmer who represented Great Britain in the Olympic Games.[2] She competed in the 100-, 300- and 400-metre individual freestyle events, and the 4×100-metre freestyle relay at the 1920 and 1924 Summer Olympics. She won two silver medals in the relays and finished fourth in three individual events.[3]