Cognomen Losak (Losak 
) , in the entire world, is a rare family name. The surname Losak is characteristic of Estonia, where it is quite a rare surname, Czechia, where it is a rare surname, and Slovakia. Not in comparison with a country's population, it is commonest in the United States, Czechia, and Romania. Very seldom, Losak is the forename as well as the last name.
Mr, Marek, Mitch, Sarah, Susan, Stina, Anita, Carla, Casey, Cliff, Cindy, Brian, Brent, Blair, Karen, Katie, Paula, Roman, David, Donna, Olga, Lewis, Inge, Eric, Ms, Sue, Ann, Amy, Ray, Dan, Geo, Lee, Jay, Matt, Anca, Bess, Bill, Paul, Ryan, Drew, Gail, Lynn, John, Vera, and Janet