Argivai is an urban area in Póvoa de Varzim, Portugal. It is an ancient ecclesiastical parish and former civil parish located in the city of Póvoa de Varzim. In the census of 2001, it had a population of 2,187 inhabitants and a total area of 2.32 km2. A 2012 law merged the parish with neighbouring Póvoa de Varzim (parish) and Beiriz, becoming the southern parish of the city of Póvoa de Varzim, with a population of 34,266 inhabitants and a total area of 11.88 km2.