Surname Гумаи (Gumay 
, Gumai 
, Гумаи 
) , all around the world, is quite a common cognomen. The last name Гумаи is characteristic of Indonesia, where it is quite a rare surname, Georgia, where it is a rare surname, and Philippines. Measured by absolute frequency, the name is most common in Indonesia, Philippines, and Nigeria. Much less frequently, Гумаи is the forename as well as the last name.