| Headercolor: | lightblue |
| Emily deRiel | |
| Fullname: | Emily Ann deRiel |
| Birth Date: | 12 November 1974 |
| Birth Place: | Boston, Massachusetts |
| Weight: | 63kg (139lb) |
| Sport: | Modern pentathlon |
| Show-Medals: | yes |
Emily Ann deRiel (born November 12, 1974, in Boston, Massachusetts) is a former U.S. modern pentathlete who competed at the 2000 Summer Olympics in Sydney. She won a silver medal in the inaugural women's event, with a score of 5,310 points, just behind Great Britain's Stephanie Cook by an eight-point difference.[1]