Around the globe, Kostial (Kostial 
) is an extremely rare masculine first name. Much more frequently, Kostial is the last name as well as the forename.
Mr, Hans, Ivan, Maria, Maros, Sarah, Steve, Amber, Craig, Cindy, Betty, Brett, Kelly, Keith, Patty, Pavol, Peter, Radim, David, Laura, Leisa, Logan, Tina, Jacob, Jeff, Josh, Ms, Ann, Bob, Kim, Pat, Jon, Jim, Tim, Mark, Matt, Miro, Mike, Sara, Anna, Brad, Kara, Paul, Dean, Dawn, Gerd, Jake, John, and James