Last name Iustyna (Юстына , Iustyna ) , worldwide, is an extremely rare cognomen. Much more frequently, Iustyna is the forename as well as the last name.
Іустина
Toti, Khmeliarchuk, Gheorghiu, and Shevchenko
, Iustyna 
) , worldwide, is an extremely rare cognomen. Much more frequently, Iustyna is the forename as well as the last name.