Cognomen Kamboi (Kamboi 
) , in all the world, is a very rare surname. The family name Kamboi is characteristic of Belarus, where it is a very rare surname, Tanzania, and Malaysia, where it is an extremely rare surname. Not in comparison with a country's population, it most frequently occurs in Tanzania, India, and Belarus. Likewise, Kamboi is the forename as well as the last name.