| Didier Lemaire | |
| Office: | Member of the National Assembly for Haut-Rhin's 3rd constituency |
| Term Start: | 22 June 2022 |
| Predecessor: | Jean-Luc Reitzer |
| Birth Date: | 23 July 1975 |
| Birth Place: | Altkirch, France |
| Party: | Horizons |
| Term End: | 9 June 2024 |
| Successor: | to be elected |
Didier Lemaire (born 23 July 1975) is a French politician. As a member of Horizons, he was elected member of parliament for Haut-Rhin's 3rd constituency in the 2022 French legislative election.[1]