Cognomen Гуина (Guina 
, Guyna 
, Гуина 
) , in the entire world, is quite a common family name. The cognomen Гуина is characteristic of Croatia, where it is quite a rare surname, the Central African Republic, and Papua New Guinea. Measured by absolute frequency, it most frequently occurs in Philippines, the Democratic Republic of the Congo, and Ivory Coast. Also, Гуина is the forename as well as the last name.