Surname Barso (Barso 
, بارسو) , all over the world, is a rare last name. The surname Barso is characteristic of Philippines, where it is a rare surname, the United Kingdom, where it is a very rare surname, and Argentina, where it is an extremely rare surname. In absolute terms, the name is most common in Philippines, India, and the United Kingdom. More prevalently, Barso is the forename as well as the last name.