Last name کاسترو (Castro 
, Kastro , کاسترو) , in all the world, is a prevalent cognomen. The family name کاسترو is characteristic of Latin America and the Caribbean, particularly Costa Rica, where it is a prevalent surname, Honduras, where it is a widespread surname, and Nicaragua (explore the name in all countries). Measured by absolute frequency, this name is the most popular in Latin America and the Caribbean, particularly Brazil, Mexico, and Colombia. Very seldom, کاسترو is the forename as well as the last name.