| Birth Date: | 1941 11, df=y |
| Birth Place: | Gera, Germany |
| Height: | 1.66m (05.45feet) |
| Weight: | 67kg (148lb) |
| Sport: | Swimming |
| Club: | SC Wismut Karl-Marx-Stadt |
| Show-Medals: | yes |
Heidi Eisenschmidt (later Zimmermann, born 14 November 1941) is a retired German swimmer. She competed in the 100 m butterfly at the 1960 Summer Olympics, but failed to reach the final. She won three national titles between 1958 and 1960 in the discontinued event of 4 × 100 m backstroke relay.
Her daughter Kathrin Zimmermann competed in swimming at the 1988 Summer Olympics.