Family name Olegas (Olegas 
, Олегас 
) , around the world, is a very rare cognomen. The surname Olegas is habitual in Lithuania, where it is a rare surname, and Venezuela, where it is an extremely rare surname. Much more prevalently, Olegas is the forename as well as the last name.
Ko, Petrikas, Rubcovas, Ryndinas, Gedrimas, Gromovas, Nesvarbu, Ivanovas, Ziriakovas, Sivakovas, Balciunas, Kakurinas, Rubazevicius, Rudgalvis, Mockevicius, Murnikovas, Bessonovas, Koršunovas, Koliakinas, Partasovas, Fiodorovas, Dobromilskis, Papeckis, Gončarovas, Kozlovas, Malcevas, Reis, Oleg, Dzgajevas, Jodko, Sinica, Slauta, Arovas, Kairys, Kersys, Knezys, Dahool, Niaksu, Zenilo, Morozas, Batutis, Kulikas, Parmionovas, Rimanas, Tupicenko, Forovas, Orlovas, Kostinas, and Jermolajevas