| Philippe Dallier | |
| Office: | Departmental councillor of Seine-Saint-Denis |
| Term Start: | 1 July 2021 |
| President: | Stéphane Troussel |
| Predecessor: | Stephen Hervé |
| Office2: | Member of the French Senate for Seine-Saint-Denis |
| Term Start2: | 1 October 2004 |
| Term End2: | 27 July 2021 |
| Successor2: | Thierry Meignen |
| Office3: | Mayor of Les Pavillons-sous-Bois |
| Term Start3: | 1995 |
| Term End3: | 2017 |
| Predecessor3: | Bernard Portel |
| Successor3: | Katia Coppi |
| Birth Date: | 8 December 1962 |
| Birth Place: | Levallois-Perret, France |
| Party: | The Republicans |
Philippe Dallier (born 8 December 1962) is a French politician, and a member of the Senate of France. He represents Seine-Saint-Denis, in the Île-de-France region, and is a member of The Republicans party.