| Image Coa: | Wappen Holtgast.png |
| Coordinates: | 53.6325°N 7.5825°W |
| Image Plan: | Holtgast in WTM.svg |
| State: | Niedersachsen |
| District: | Wittmund |
| Samtgemeinde: | Esens |
| Elevation: | 2 |
| Area: | 24 |
| Postal Code: | 26427 |
| Area Code: | 0 49 71 |
| Licence: | WTM |
| Gemeindeschlüssel: | 03 4 62 006 |
| Divisions: | 4 Ortsteile |
| Website: | www.holtgast.de |
| Mayor: | Gerhart Frerichs |
| Party: | FWG |
Holtgast is a municipality in the district of Wittmund, in Lower Saxony, Germany.