Across the world, Krocka (Krocka 
) is an extremely rare unknown gender first name. Much more prevalently, Krocka is the last name as well as the forename.
Mary, Cheryl, Philip, Robert, Denise, Daniel, Janice, Jaclyn, Viliam, Matthew, Ashley, Maureen, Shelley, Anthony, Randall, Rebekah, Richard, Jeffrey, Valerie, Valarie, Michelle, Michael, Steven, Shelly, Sharon, Mona, Mike, Debb, Dawn, Jill, Tony, Eric, Zach, Marie, Sunny, Scott, Cindy, Randy, David, Linda, Lukas, Lubos, Janet, James, Jason, Tomas, Schelene, and Kristine