Surname Cerrojo (Berrojo 
, Cerrojo ) , globally, is a very rare cognomen. The family name Cerrojo is habitual in Spain, where it is a very rare surname, the United States, where it is an extremely rare surname, and Argentina. In absolute terms, it most frequently occurs in Spain, the United States, and Mexico. Likewise, Cerrojo is the forename as well as the last name.