Terroso is an ecclesiastical parish and former civil parish located in Póvoa de Varzim. In the census of 2001, it had a population of 2,472 inhabitants and a total area of 4.63 km². A 2012 law merged the parish with neighbouring Amorim and Aver-o-Mar, becoming the northern parish of the city of Póvoa de Varzim, known as União das Freguesias de Aver-o-Mar, Amorim e Terroso.
Terroso derives from the Latin Terrosu meaning full of soil as a reference to Cividade or Cividade Hill.