| Birth Date: | 16 January 1946 |
| Birth Place: | Osnabrück, Germany |
| Height: | 1.7m (05.6feet) |
| Weight: | 64kg (141lb) |
| Sport: | Swimming |
| Club: | DSW 1912, Darmstadt |
| Show-Medals: | yes |
Heike Nagel (née Hustede, born 16 January 1946) is a German former swimmer who competed in the 1964, 1968 and 1972 Summer Olympics. She won a bronze medal in the 4 × 100 m medley relay in 1968, and three times reached the finals in individual butterfly events in 1964 and 1968. She also won two medals at the European championships in 1966 and 1970.