Family name Агатий (Agaty 
, Agatiy , Агатий 
) , across the world, is a rare last name. The surname Агатий is characteristic of Egypt, where it is a rare surname, Belarus, where it is a very rare surname, and Russia. Measured by absolute frequency, it most frequently occurs in Egypt, Russia, and France. Much less frequently, Агатий is the forename as well as the last name.