| Newtown | |
| Settlement Type: | Former settlement |
| Pushpin Map: | California |
| Pushpin Label Position: | bottom |
| Pushpin Map Caption: | Location in California |
| Subdivision Type: | Country |
| Subdivision Type1: | State |
| Subdivision Name1: | California |
| Subdivision Type2: | County |
| Subdivision Name2: | Mariposa County |
| Coordinates: | 37.7033°N -120.1919°W |
| Elevation M: | 555 |
| Elevation Ft: | 1821 |
Newtown is a former settlement in Mariposa County, California. It lay at an elevation of 1821 feet (555 m).