California Medical Facility
| Location | Vacaville, California |
|---|---|
| Coordinates | 38°19′44″N 121°58′48″W / 38.329°N 121.980°W |
| Status | Operational |
| Security class | Minimum to Maximum |
| Capacity | 2,318 |
| Population | 1,910 (82.4% capacity) (as of January 31, 2023) |
| Opened | 1955 |
| Managed by | California Department of Corrections and Rehabilitation |
| Warden | Daniel Cueva |
California Medical Facility (CMF) is a male-only state prison medical facility located in the city of Vacaville in Solano County, California. It is older than California State Prison, Solano, the other state prison in Vacaville.