Surname Куусела (Kuusela 
, Куусела 
) , around the globe, is quite a rare last name. The family name Куусела is characteristic of Northern Europe, particularly Finland, where it is quite a common surname, Estonia, where it is quite a rare surname, and Sweden. Not in comparison with a country's population, it is the most numerous in Finland, Sweden, and the United States. Much less frequently, Куусела is the forename as well as the last name.