Across the world, Hajnik (Hajnik 
) is an extremely rare masculine first name. Much more frequently, Hajnik is the last name as well as the forename.
Mr, Andrea, Andrew, Krista, Robert, Dennis, Daniel, Joseph, Thomas, Nicole, Ondrej, Zsofia, Michael, Suzanne, Cherrie, Corinne, Bethany, Katelyn, Russell, Lindsey, Vanessa, Francis, Samuel, Michal, Marcel, Martin, Ms, Dan, Jan, Joe, Mike, Genn, John, Ján, Erik, Susan, Zoltán, Amber, Brian, Kelly, Peter, Renee, Reide, Danny, Laura, James, Joyce, Frank, Chris, and Margaret