Cognomen גוארין (Guarín 
, גוארין 
) , in all the world, is a rare surname. The surname גוארין is characteristic of Colombia, where it is quite a rare surname, Costa Rica, where it is a very rare surname, and Spain. In absolute terms, it is commonest in Colombia, Spain, and Argentina. Very seldom, גוארין is the forename as well as the last name.