Surname Жаир (Jair 
, Жаир 
) , in the entire world, is a common last name. The surname Жаир is characteristic of Brunei, where it is quite a common surname, Mexico, where it is quite a rare surname, and Colombia. Measured by absolute frequency, it is the most numerous in Latin America and the Caribbean, particularly Mexico, Colombia, and Venezuela. More prevalently, Жаир is the forename as well as the last name.