Family name Deluka (Deluka 
) , all over the world, is a very rare cognomen. The cognomen Deluka is habitual in Croatia, where it is a rare surname, Greece, where it is a very rare surname, and Australia. Measured by absolute frequency, it is the most numerous in the United States, Croatia, and Greece.
Jo, Natasa, Fabhyo, Felipe, Watson, Matthew, Melissa, Michael, Barbara, Brandon, Bradley, Kristie, Phillip, Rodrigo, Heather, Florian, William, Patrizia, George, Jonathan, Gordan, Kristy, Ann, Lou, Carl, Lisa, Luka, John, Judy, Ivan, Bruno, Katie, Kelly, David, Larry, Tabby, Morgan, Andrea, Amanda, Robert, and Jennifer