Aliaga or Aliağa or Aliagha may refer to:

Places Aliağa, a town and district of İzmir Province, Turkey Aliağa, Tarsus, a village in Tarsus district of Mersin Province, Turkey Aliaga, Aragon, a town in Spain Aliaga, Nueva Ecija, a municipality on Luzon, the Philippines

Given name Aliagha Vahid (1895–1955), Azerbaijani poet

Surname Fray Luis de Aliaga Martínez (1560–1626), Grand Inquisitor of Spain Felipe Pardo y Aliaga (1806–1868), Peruvian poet, satirist, playwright, lawyer, and politician Rafael López Aliaga (1961— ), Peruvian politician and businessman

Other uses Aliağa (İZBAN), commuter rail station at Aliağa, İzmir in Turkey Aliağa Petkim, professional basketball team in Aliağa, İzmir in Turkey Aliağa Wind Farm, in the district Aliaga (mammal), a fossil genus of mammals in the family Spalacotheriidae

See also Aliağalı, a village in the Agdam Rayon of Azerbaijan