| Oberthal | |
| Image Coa: | DEU Oberthal COA.svg |
| Coordinates: | 49.5167°N 12°W |
| Image Plan: | Oberthal in WND.svg |
| State: | Saarland |
| District: | Sankt Wendel |
| Elevation: | 349 |
| Area: | 23.86 |
| Postal Code: | 66649 |
| Area Code: | 06854 |
| Licence: | WND |
| Gemeindeschlüssel: | 10 0 46 116 |
| Divisions: | 4 |
| Website: | www.oberthal.de |
| Mayor: | Björn Gebauer[1] |
| Leader Term: | 2024 - 34 |
| Party: | SPD |
Oberthal is a municipality in the district of Sankt Wendel, in Saarland, Germany. It is situated approximately 7 km northwest of Sankt Wendel, and 35 km north of Saarbrücken.