| Image Coa: | Wappen von Nalbach.png |
| Coordinates: | 49.3667°N 52°W |
| Image Plan: | Nalbach in SLS.svg |
| State: | Saarland |
| District: | Saarlouis |
| Elevation: | 189-414 |
| Area: | 22.43 |
| Postal Code: | 66807–66809 |
| Area Code: | 06838 |
| Licence: | SLS |
| Gemeindeschlüssel: | 10 0 44 113 |
| Divisions: | 4 |
| Website: | www.nalbach.de |
| Mayor: | Peter Lehnert[1] |
| Leader Term: | 2019 - 29 |
Nalbach is a municipality in the district of Saarlouis, in Saarland, Germany. It is situated approximately 8 km northeast of Saarlouis, and 20 km northwest of Saarbrücken.