Alagoa

Alagoa may refer to:

Places
Brazil:
 * Alagoas, a northeastern state
 * Alagoa, Minas Gerais
 * Alagoa Grande, Paraíba
 * Alagoa Nova, Paraíba
 * Conceição das Alagoas, Minas Gerais
 * Estrela de Alagoas, Alagoas

Portugal:
 * Alagoa, Portalegre