Cognomen Abregu (Abregu 
, Abregú 
) , globally, is a common family name. The family name Abregu is characteristic of Latin America and the Caribbean, particularly Argentina, where it is quite a common surname, Peru, and Uruguay, where it is a rare surname. In absolute terms, it most frequently occurs in Argentina, Peru, and the United States. Much less frequently, Abregu is the forename as well as the last name.