Les Brenets is a former municipality in the Canton of Neuchâtel in Switzerland . On 1 January 2021 the former municipality of Les Brenets merged into Le Locle .

Les Brenets is first mentioned in 1325 as chiez le Bruignet.

Les Brenets had an area, as of 2009, of 11.5 square kilometers (4.4 sq mi). Of this area, 4.73 km2 (1.83 sq mi) or 41.0% is used for agricultural purposes, while 5.64 km2 (2.18 sq mi) or 48.9% is forested. Of the rest of the land, 0.72 km2 (0.28 sq mi) or 6.2% is settled (buildings or roads), 0.43 km2 (0.17 sq mi) or 3.7% is either rivers or lakes and 0.04 km2 (9.9 acres) or 0.3% is unproductive land.