Béatrice Bellay (born 25 July 1975) is a French politician in the overseas department of Martinique.

Bellay was elected to serve as a member of the National Assembly for Martinique's 3rd constituency in 2024.

Bellay was born in Villepinte, Seine-Saint-Denis, Metropolitan France to Martinican parents on 25 July 1975.

She was a candidate for the European Parliament in 2019, serving as fourteenth on the Socialist Party (PS) list led by Raphaël Glucksmann.

She defeated incumbent MP Johnny Hajjar of the Martinican Progressive Party by around 1,700 votes.