>
Cognomen Nain (Nain
, ナイン
, Наин
) , across the world, is a common last name. The family name Nain is characteristic of Brunei, where it is quite a common surname, Malaysia, where it is quite a rare surname, and Cameroon. Measured by absolute frequency, the name is most common in India, Indonesia, and Myanmar. Likewise, Nain is the forename as well as the last name.