Surname Barena (Baro 
, Barrena 
, Barena 
) , around the world, is a common last name. The surname Barena is characteristic of Andorra, where it is quite a common surname, Fiji, and Senegal. Measured by absolute frequency, it is the most numerous in India, Philippines, and Spain. Very seldom, Barena is the forename as well as the last name.