Family name Efrosinia (Efrosinia 
, Евфросиния 
, Ефросиня 
) , all over the world, is a very rare cognomen. The family name Efrosinia is habitual in Georgia, where it is a rare surname, Bulgaria, and Israel, where it is a very rare surname. Measured by absolute frequency, it is the most numerous in Georgia, Bulgaria, and Mexico. More frequently, Efrosinia is the forename as well as the last name.
Cam, Stavila, Bodunov, Piatkov, Delgado, Egoroff, Efimoff, Masaligin, Makaroff, Snegirev, Basargin, Kraskoff, Erofeeff, Martishev, Martushev, Barsukoff, Gostevsky, Ungureanu, Menuhov, Scherbakov, Usoltfeff, Leanca, Bell, Lima, Hurd, Ursu, Kasko, Kilin, Pirvu, Rivas, Meleca, Alagoz, Costin, Codita, Bularu, Kutsev, Kuzmin, Plucci, Reutov, Holten, and Kalinovitch