Carlos Martens Bilongo (born 31 December 1990) is a French teacher and politician who has represented the 8th constituency of the Val-d'Oise department in the National Assembly since 2022.

A member of La France Insoumise (FI), he was elected under the New Ecological and Social People's Union (NUPES) alliance.

[4] After an apprenticeship contract at Az Métal, he worked successively as a technical sales representative and then as a business manager, a position he held for six years.

[6] Martens Bilongo is involved in a member of the Triangle de Gonesse collective, a platform that brings together several associations committed to the environment.

On November 3, 2022, during a question session to the government at the National Assembly, while Deputy Bilongo was addressing the subject of the distribution of migrants sailing on the Ocean Viking, he was interrupted by the National Rally deputy Grégoire de Fournas, who said: "Let him go back to Africa", according to the version retained by the editors of the debates and available in the minutes of the session.