Last name Carajo (Carajo 
, Carago 
, Cassus 
) , around the world, is a rare surname. The last name Carajo is characteristic of Portugal, where it is a rare surname, France, and Chile, where it is a very rare surname. Not in comparison with a country's population, it is the most numerous in France, Brazil, and Portugal. Much less frequently, Carajo is the forename as well as the last name.