Cognomen Pinja (Pinja 
, Pinie 
, Пиня 
) , worldwide, is a rare last name. The last name Pinja is characteristic of Latin America and the Caribbean, particularly Argentina, where it is a rare surname, Guatemala, and Colombia. Measured by absolute frequency, the name is most common in India, Argentina, and Guatemala. Also, Pinja is the forename as well as the last name.