| Ladislas Poniatowski | |
| Office: | Member of the French Senate for Eure |
| Term Start: | 1 October 1998 |
| Term End: | 30 September 2020 |
| Office1: | Member of the National Assembly |
| Term Start1: | 2 April 1986 |
| Term End1: | 27 September 1998 |
| Predecessor1: | multi-member proportional representation |
| Successor1: | Hervé Morin |
| Constituency1: | Eure's 3rd constituency |
| Birth Date: | 10 November 1946 |
| Birth Place: | Boulogne-Billancourt, France |
| Nationality: | French |
| Party: | UMP The Republicans |
| Relations: | Axel Poniatowski (brother) |
Ladislas Poniatowski (born 10 November 1946) is a French politician.
He served on the National Assembly for Eure's 3rd constituency from 1986 to 1998,[1] when he was elected to the Senate, representing the Eure department. Poniatowski's tenure as a senator ended in 2020.[2] As a deputy, Poniatowski was affiliated with the Union for French Democracy. He subsequently joined the Union for a Popular Movement, and later The Republicans. He is the son of Michel Poniatowski and older brother of Axel Poniatowski.