Family name Fylak (Fylak 
) , in all the world, is a very rare last name. The cognomen Fylak is habitual in the United States, where it is a very rare surname, Germany, where it is an extremely rare surname, and Canada. Not in comparison with a country's population, it most frequently occurs in the United States, China, and Germany. Likewise, Fylak is the forename as well as the last name.