Across the world, Koumaras (Koumaras 
) is an extremely rare unknown gender first name. Predominantly, Koumaras is the last name as well as the forename.
Amy, Angelos, Anthony, Carolyn, Barbara, Belinda, Roxanne, Dimitri, Terence, Ioannis, Georgios, Jennifer, Nastasya, Nikolaos, Stephanie, Stylianos, Christine, Dimitrios, Vasileios, Alexandros, Konstantin, Panagiotis, Andreas, Mpampis, Michail, Michael, Matt, Mike, Alex, Anna, John, Tami, Marie, Alexa, Aaron, Chris, Charalampos, Colby, Linda, Tracy, Effie, Sophia, Alyssa, Brenda, Krista, Ronald, Denise, George, Renee, and Christopher