São Mamede

São Mamede can refer to:


 * São Mamede (Batalha), a parish in Batalha, Portugal
 * São Mamede (Lisbon), a parish in Lisbon, Portugal
 * São Mamede (Paraíba), a town in Paraíba, Brazil
 * São Mamede de Este, a Portuguese parish
 * São Mamede de Infesta, a Portuguese city
 * Battle of São Mamede