Around the world, Kollis (Kollis 
) is an extremely rare epicene given name. More frequently, Kollis is the last name as well as the forename.
Zac, George, Gloria, Trevor, Shirley, Allison, Kyriaka, Philips, Rebecca, Petros, Georgia, William, Margaret, Stiliani, Christos, Benjamin, Georgios, Nikolaos, Evridike, Lampros, Steven, Shelli, Shaina, Mike, Alex, Karl, Dean, Dale, Nick, Chris, Carol, Becky, Kayla, Peter, Derek, Jarno, Josie, Tracy, Irene, Wayne, Samuel, Savvas, Alexandria, and Christopher