All around the world, Guerina (Guerina 
, Герина 
) is a rare feminine first name. The first name Guerina is habitual in Bulgaria, where it is a rare girly name, Italy, and the Democratic Republic of the Congo. Not in comparison with a country's population, the name is most common in Italy, the Democratic Republic of the Congo, and Brazil. Also, Guerina is the last name as well as the forename.