Casma (disambiguation)

Casma is a town in Peru.

Casma may also refer to:
 * Casma Province, province of the Ancash Region of Peru
 * Casma District, district of Casma Province
 * Casma River, river that crosses Casma Province in the Ancash Region of Peru
 * Casma Valley, coastal valley north of Lima, Peru
 * CASMA, Computerized Airline Sales and Marketing Association
 * Chilean ship Casma (1889)