| Big Blue Hills | |
| Country: | United States |
| State: | California |
| Region: | California Coast Ranges, San Joaquin Valley |
| District: | Fresno County |
| Topo Map: | Joaquin Rocks |
| Topo Maker: | USGS |
| Range Coordinates: | 36.3564°N -120.4039°W |
| Elevation M: | 564 |
| Map: | California |
| Map Relief: | yes |
| Map Size: | 220 |
The Big Blue Hills are a low mountain range in west Fresno County, in the western San Joaquin Valley of central California.
Interstate 5 runs parallel to the hills on the east.
The Big Blue Hills are in the Southern Inner California Coast Ranges System, adjacent to the Diablo Range on the west. Their highest point is 564m (1,850feet) in elevation.
Cantua Creek and its Arroyo de Cantúa canyon divides them from the Ciervo Hills.