| Birth Date: | 23 March 1912 |
| Birth Place: | Berlin, Germany |
| Death Date: | 14 September 1992 (aged 80) |
| Death Place: | Hellersdorf, Berlin, Germany |
| Height: | 161 cm |
| Weight: | 58 kg |
| Sport: | Athletics |
| Event: | 100 m, 200 m, 800 m |
| Club: | SC Charlottenburg, Berlin |
| Pb: | 100 m – 12.1 (1933) 200 m – 25.1 (1934) 800 m – 2:21.2 (1938) |
| Show-Medals: | yes |
Ilse Dörffeldt (23 March 1912 – 14 September 1992) was a German sprinter who competed at the 1936 Berlin Olympics. Her 4 × 100 m team set a world record in the semifinals and led the final until a missed exchange in the final leg. She was part of the German teams that set 4 × 200 m relay world records in 1938 and 1940. After retiring from competitions she taught sports, history and German language in Banzendorf and later in East Berlin.