Throughout the world, Kostouros (Kostouros 
) is an extremely rare unknown gender first name. Much more frequently, Kostouros is the last name as well as the forename.
| VARIANT | COUNTRY |
|---|---|
| Kostouros | Australia, Serbia, United States, Latvia, Greece |
Mr, Spiros, Arícia, Kostas, George, Thanos, Tryfon, Vlasis, Oksana, Michael, Michail, Sotiris, Stavros, Anatoli, Argyris, Katinia, Despina, Demitry, Gregory, Giannis, Giorgos, Ioannis, Stella, Sandra, Moysis, Ilias, Gus, Nic, Dino, John, Olga, Maria, Marie, Moses, Minas, Sandy, Yiangos, Soula, Anton, Chris, Panos, Peter, Roula, Litsa, Nikos, Ethan, Helen, Frank, Aleka, and Xristos