Throughout the world, Koukoutsis (Koukoutsis 
) is an extremely rare unknown gender forename. Much more prevalently, Koukoutsis is the last name as well as the forename.
| VARIANT | COUNTRY |
|---|---|
| Koukoutsis | Germany, Canada, Australia, United States, Greece |
Mr, Sergios, Stavros, Andreas, Antonis, Carolyn, Kandace, Giannis, Haroula, Vasilis, Ioannis, Stergios, Smaragde, Antonios, Christos, Pantelis, Demetris, Dimitris, Georgios, Leonidas, Nicholas, Nikolaos, Yianni, Efrosini, Yianna, Dennis, Aki, Lea, Bill, Lisa, John, Tony, Maria, Steve, Aneta, Carol, Kathy, Peter, Georg, James, Terry, Nikos, Elias, Vicky, Ilias, Marina, Kostas, George, and Stephanie