Martine Berthet (born 27 March 1961) is a French politician of the Republicans (LR).

In the 2015 departmental elections, Berthet stood along with Hervé Gaymard in the canton of Albertville-1.

On 24 September 2017 Berthet was elected a senator for Savoie for The Republicans party after Michel Bouvard's resignation.

Ahead of the 2022 presidential elections, she publicly declared her support for Michel Barnier as the Republicans’ candidate.

This article about a Union for a Popular Movement (France) politician is a stub.