Cognomen Goulai (Гулай 
, Гулаи , Goulai 
) , across the world, is quite a rare family name. The cognomen Goulai is habitual in Kyrgyzstan, where it is quite a common surname, Ukraine, where it is quite a rare surname, and Belarus. In absolute terms, this name is the most popular in Kyrgyzstan, Ukraine, and Russia. Also, Goulai is the forename as well as the last name.