Damphreux-Lugnez is a municipality in the district of Porrentruy in the canton of Jura in Switzerland.

It was established on 1 January 2023 with the merger of the municipalities of Damphreux and Lugnez.

Damphreux was first mentioned in 1161 as Damfriol.

[1] Lugnez was first mentioned around 501-600 as Lugduniaco.

[2] On 1 January 2023, these two municipalities were merged to form the new municipality of Damphreux-Lugnez.