NMCA

NMCA may refer to:


 * National Mapping and Cadastral Agency, an organisation that produces topographic maps and geographic information of a country
 * National Marine Conservation Areas, marine areas in Canada
 * National Michael Chekhov Association, a dancing association; see
 * National Muscle Car Association, a car association; see
 * National Museum of Ceramic Art, a former museum in Maryland
 * National Museum of Commercial Aviation, a former museum in the U.S. state of Georgia
 * Nikolaev military-civilian administration