Last name Alguien (Alguien 
) , all around the world, is a rare family name. The last name Alguien is habitual in Latin America and the Caribbean, particularly Bolivia, where it is quite a rare surname, Guatemala, where it is a rare surname, and the Dominican Republic. Measured by absolute frequency, the name is most common in Latin America and the Caribbean, particularly Bolivia, Guatemala, and Colombia. Likewise, Alguien is the forename as well as the last name.