| First name and last name | William Frederick Fisher |
| Date of birth | 01.04.1946 |
| Nationality | American |
| Space Agency | National Aeronautics and Space Administration (NASA) |
| Status | Retired |
| Type of astronaut | Government agency |
| Wikipedia | https://en.wikipedia.org/wiki/William_Frederick_Fi |
William Frederick Fisher is an American physician and a former NASA astronaut. Fisher went into space in 1985 on board the Space Shuttle. He retired from NASA in 1992 and returned to the full-time practice of medicine. His time at NASA coincided with that of his former wife and fellow astronaut Anna Lee Fisher.