Last name Siluan (Siluan 
, Силуан 
) , in the entire world, is a rare cognomen. The surname Siluan is characteristic of Colombia, where it is a rare surname, Israel, and Georgia, where it is a very rare surname. Not in comparison with a country's population, it is commonest in Colombia, Israel, and Malaysia. Very seldom, Siluan is the forename as well as the last name.