Carmen is one of the 13 municipalities in the Mexican state of Campeche.

It is situated at the south-west of the state, on and around the Laguna de Términos.

The municipal seat and largest settlement is Ciudad del Carmen.

[1] The municipality had 1,886 localities, the largest of which (with 2010 populations in parentheses) were: Ciudad del Carmen (169,466), Sabancuy (7,286), Isla Aguada (6,204), Nuevo Progreso (4,851), San Antonio Cárdenas (4,206), Atasta (2,535), classified as urban, and Checubul (1,811), Chicbul (1,692), Colonia Emiliano Zapata (1,311), El Aguacatal (1,270), Mamantel (Pancho Villa) (1,262), Licenciado Gustavo Díaz Ordaz (18 de Marzo) (1,239), and Abelardo L. Rodríguez (1,130), classified as rural.

Of these, 4,151 spoke one of 25 indigenous languages used in the municipality, predominantly Ch'ol and Yucatec Maya.