Last name Montanna (Montana 
, Montanna 
, Montanya 
) , all over the world, is a common cognomen. The cognomen Montanna is habitual in Colombia, where it is quite a common surname, Albania, and Cameroon, where it is quite a rare surname. Not in comparison with a country's population, it is the most numerous in Colombia, the United States, and Indonesia. Much less frequently, Montanna is the forename as well as the last name.