All over the world, Giannakoulis (Giannakoulis 
) is an extremely rare unknown gender given name. Predominantly, Giannakoulis is the last name as well as the forename.
| VARIANT | COUNTRY |
|---|---|
| Giannakoulis | Germany, Canada, Australia, United States, Greece |
Mr, Andreas, Antonis, Giorgos, Ioannis, Christos, Patricia, Dimitris, Georgios, Nikolaos, Hrisoula, Vaggelis, Christina, Dimitrios, Vasileios, Alexandros, Athanasios, Panagiotis, Michail, Charalampos, Jaclyn, Ashley, Meg, Gus, Mary, Paul, Nick, Xeni, Billy, Peter, Louis, Tasha, Helen, Fotis, Ilias, Miléa, Stefan, Spiros, Angelo, George, and Konstantinos