| Leithsville Formation | |
| Type: | Formation |
| Age: | Cambrian |
| Period: | Cambrian |
| Region: | New Jersey |
| Country: | United States |
| Underlies: | Allentown Dolomite |
| Overlies: | Hardyston Quartzite |
The Leithsville Formation is a geologic formation in New Jersey. It preserves fossils dating back to the Cambrian period.