Isabelle Valentin (French pronunciation: [izabɛl valɑ̃tɛ̃]; born 20 January 1962)[1] is a French market gardener and politician who represented the 1st constituency of Haute-Loire in the National Assembly from 2017 to 2024.

[6] She stood down at the 2024 election, when her seat was won by Regional Council President Laurent Wauquiez, her predecessor and substitute in both 2017 and 2022.

She has also held a seat in the Departmental Council of Haute-Loire for the canton of Yssingeaux since 2021.

In The Republicans 2017 leadership election, Valentin endorsed Laurent Wauquiez for the party chairmanship.

[7] In the run-up to The Republicans' 2022 convention, she supported Éric Ciotti as new chairman.