CNCA

CNCA may refer to:


 * Caisse Nationale de Crédit Agricole, a French banking network
 * Carbon Neutral Cities Alliance
 * Certification and Accreditation Administration, part of the Standardization Administration of China
 * National Anti-Terrorism Coordination Center, now part of the Intelligence Center for Counter-Terrorism and Organized Crime, Spain
 * National Council of Culture and the Arts, Chile