| Le Grand-Abergement | |
| Arrondissement: | Belley |
| Canton: | Plateau d'Hauteville |
| Insee: | 01176 |
| Postal Code: | 01260 |
| Commune: | Haut Valromey |
| Coordinates: | 46.0347°N 5.6756°W |
| Elevation Min M: | 696 |
| Elevation Max M: | 1293 |
| Area Km2: | 31.92 |
| Population: | 111 |
| Population Date: | 2019 |
| Population Footnotes: | [1] |
Le Grand-Abergement (in French pronounced as /lə ɡʁɑ̃.t‿abɛʁʒəmɑ̃/) is a former commune in the Ain department in eastern France. On 1 January 2016, it was merged into the new commune Haut Valromey.[2]