Surname Kozac (Kozac 
) , all over the world, is a rare family name. The last name Kozac is characteristic of Slovakia, where it is a rare surname, Argentina, and Czechia. Measured by absolute frequency, this name is the most popular in Argentina, Slovakia, and the United States. Much less frequently, Kozac is the forename as well as the last name.
Ana, Ellen, Ivana, Italo, Miguel, Steven, Andres, Amanda, Ashley, Carlos, Rosana, Daiana, George, Lorena, Emilio, Evelin, Alberto, Alfonso, Antonio, Cynthia, Darlene, Gerardo, Julii, William, Laura, Kevin, Amy, Roy, Jon, Mark, Mike, Gero, Lois, Jose, John, Elna, Olga, Oleg, Maria, Mario, Marta, Megan, Sarah, Angel, Betty, Brett, Karen, Pablo, and Carolina