Cognomen Pachay (Pachay 
, Пачай 
) , in the entire world, is a rare last name. The family name Pachay is characteristic of Latin America and the Caribbean, particularly Panama, where it is quite a rare surname, Ecuador, where it is a rare surname, and Venezuela. In absolute terms, it is the most numerous in Ecuador, the United States, and Venezuela. Also, Pachay is the forename as well as the last name.