Surname קאייס (Calles 
, קאייס 
) , across the world, is a common family name. The family name קאייס is characteristic of Latin America and the Caribbean, particularly El Salvador, where it is quite a common surname, Panama, and Honduras. Measured by absolute frequency, it is commonest in Latin America and the Caribbean, particularly Mexico, El Salvador, and Venezuela. Much less frequently, קאייס is the forename as well as the last name.