Surname Гуилан (Guilan 
, Guylan 
, Гуилан 
) , throughout the world, is a rare cognomen. The family name Гуилан is characteristic of Philippines, where it is a rare surname, Romania, and Malaysia. Not in comparison with a country's population, it most frequently occurs in Philippines, China, and Malaysia. Predominantly, Гуилан is the forename as well as the last name.