Family name Iustina (Justine 
, Юстина 
, Iustina 
) , across the world, is a common last name. The family name Iustina is characteristic of Sub-Saharan Africa, particularly Tanzania, where it is quite a common surname, Cameroon, and Uganda. In absolute terms, it is the most numerous in Sub-Saharan Africa, particularly Tanzania, Nigeria, and Uganda. More prevalently, Iustina is the forename as well as the last name.