Family name Gylan (Gylan 
, Гилан 
) , worldwide, is a very rare cognomen. The surname Gylan is habitual in Kyrgyzstan, where it is a very rare surname, Russia, and Kazakhstan. Measured by absolute frequency, it is the most numerous in Russia, Kyrgyzstan, and the United States. More frequently, Gylan is the forename as well as the last name.
Ali, Underhill, Entwistle, Flemming, Altikrity, Saunders, Moustafa, Maghraby, Fleming, Elshamy, Thrower, Garrant, Ruttedge, Barbosa, Chakawri, Poindexter, Mortega, Hunter, Tucker, Dottin, Dickey, Bayson, Manson, Green, Gamal, Allen, Stern, Mekki, Marks, West, Bose, Yasser, and Deloughery