Cognomen Kelba (Kelba 
) , across the world, is a very rare last name. The last name Kelba is characteristic of Canada, where it is a rare surname, Honduras, where it is a very rare surname, and Venezuela, where it is an extremely rare surname. Not in comparison with a country's population, it is commonest in Canada, Brazil, and the United States. Also, Kelba is the forename as well as the last name.