In all the world, Koláčná (Koláčná ) is an extremely rare unknown gender given name. Much more prevalently, Koláčná is the last name as well as the forename.
Kolacna
Eva, Michaela, Markéta, Šárka, Marcela, Martina, Zuzana, Tereza, Káča, Káťa, Milada, Monika, Irena, Lucie, Lenka, Petra, Aneta, Marie, Inka, Jana, Kateřina, and Jaroslava