| Estelle Grelier | |
| Office: | Secretary of state for the Territorial collectivity |
| Term Start: | 11 February 2016 |
| Term End: | 10 May 2017 |
| President: | François Hollande |
| Primeminister: | Manuel Valls Bernard Cazeneuve |
| Predecessor: | Philippe Richert |
| Office2: | Member of the National Assembly for Seine-Maritime's 9th constituency |
| Term Start2: | 2012 |
| Term End2: | 2017 |
| Predecessor2: | Daniel Fidelin |
| Successor2: | Stéphanie Kerbarh |
| Office3: | Member of the European Parliament |
| Term Start3: | 2009 |
| Term End3: | 2012 |
| Predecessor3: | Jean-Louis Cottigny[1] |
| Birth Date: | 22 June 1973 |
| Birth Place: | La Roche-sur-Yon, France |
| Party: | Socialist Party |
| Alma Mater: | Grenoble Institute of Political Studies |
Estelle Grelier (born 22 June 1973) is a French politician of the Socialist Party (PS) who served as Secretary of State for Local Authorities in the governments of successive Prime Ministers Manuel Valls and Bernard Cazeneuve from 2016 until 2017.
Grelier was a Member of the European Parliament[2] from 2009 until 2012 for the North-West constituency. In parliament, she served on the Committee on Budgets.[3]
Following the 2012 French legislative election, Grelier became a member of the National Assembly, where she served on the Committee on European Affairs until 2016.[4]