Nicolas Lacroix (born 18 January 1976) is a French politician of The Republicans.

Since 2017, he has served as president of the Departmental Council of Haute-Marne.

[2] In 2018, he was appointed secretary for territorial collectivities in the shadow cabinet of Laurent Wauquiez.

[3] In 2023, he was appointed secretary for waters and forests in the shadow cabinet of Éric Ciotti.

[4] In the 2024 legislative election, he was a candidate for Haute-Marne's 2nd constituency.