Pirai River
# Pirai River

The Pirai River may refer to:

* the Piray River in Bolivia
* the Piraí River (Paraná), a river of Paraná state in southern Brazil
* the Piraí River (Rio de Janeiro), a river of Rio de Janeiro state in southeastern Brazil
* the Piraí River (Santa Catarina), a river of Santa Catarina state in southeastern Brazil
* the Pirai River (India), a river of India
