Family name Gulyay (Гуляй 
, Gulyay) , in all the world, is quite a rare cognomen. The surname Gulyay is characteristic of Kyrgyzstan, where it is quite a rare surname, Belarus, and Ukraine, where it is a rare surname. Measured by absolute frequency, it is commonest in Ukraine, Russia, and Kyrgyzstan. Likewise, Gulyay is the forename as well as the last name.