Piria may refer to:
Piria, a village in the commune Argetoaia, Dolj County, Romania Piriá River (Marajó), a river on Marajó Island in Brazil Piriá River (Eastern Pará), a river in the extreme east of the state of Pará, Brazil, that flows into the Atlantic Ocean Raffaele Piria, a 19th-century Italian chemist the Piria reaction of aromatic nitro compounds Vicky Piria, an Italian racing driver Piria, termine dialettale friulano e bisiaco (Friuli-Venezia Giulia)