Cognomen Тугаи (Tugay 
, Tugai 
, Тугаи 
) , all over the world, is quite a rare family name. The surname Тугаи is characteristic of Turkey, where it is quite a rare surname, Philippines, and Estonia, where it is a rare surname. In absolute terms, it most frequently occurs in Turkey, Philippines, and Afghanistan. More prevalently, Тугаи is the forename as well as the last name.