Last name كاسترو (Castro 
, Kastro , كاسترو 
) , around the world, is a prevalent cognomen. The family name كاسترو is habitual in 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, it is the most numerous in Latin America and the Caribbean, particularly Brazil, Mexico, and Colombia. Much less frequently, كاسترو is the forename as well as the last name.