Surname Naiv (Naïf 
, Naiv 
, Nivem 
) , around the world, is a rare family name. The cognomen Naiv is characteristic of Saudi Arabia, where it is a rare surname, Spain, where it is an extremely rare surname, and Venezuela. Measured by absolute frequency, this name is the most popular in Saudi Arabia, India, and Philippines. More frequently, Naiv is the forename as well as the last name.