| Grégory Doucet | |
| Office: | Mayor of Lyon |
| Term Start: | 4 July 2020 |
| Predecessor: | Gérard Collomb |
| Birth Date: | 22 August 1973 |
| Birth Place: | Paris, France |
| Nationality: | French |
| Party: | The Greens (2007–2010) Europe Ecology – The Greens (2010–present) |
| Alma Mater: | Rouen Business School |
Grégory Doucet (pronounced as /fr/; born 22 August 1973) is a French politician who has served as Mayor of Lyon since 2020. He is a member of Europe Ecology – The Greens (EELV).[1]
On 12 September 2019, Doucet was chosen to lead the EELV list in the 2020 municipal election, in which it received an absolute majority of the vote with 52.4% in the second round. It placed first in seven out of nine arrondissements in the second round; Doucet stood as a candidate in the 3rd arrondissement.
Elected to the mayorship by the municipal council of Lyon on 4 July 2020, he became the first member of his party to assume the office. He is also a councillor of Lyon Metropolis, where he sits on the Committee on Finance, Institutions, Resources and Territorial Organisation.