Quentin Merlin (born 16 May 2002) is a French professional footballer who plays as a left-back or left wing-back for Ligue 1 club Marseille.

[2] Born in Nantes, Merlin grew up in Sainte-Marie-sur-Mer, in a family with Méricourtois origins.

[3][4][5] In January 2021, Merlin was selected by Nantes manager Raymond Domenech several times in the professional squad.

[3][6][7] He eventually made his professional debut for Nantes on 10 February 2021, coming on as a half-time substitute for Ludovic Blas in a 4–2 Coupe de France loss to Lens.

[13] On 26 January 2024, Merlin moved to fellow Ligue 1 side Marseille, having agreed a contract until 2028.