Surname Iug (Iug 
) , throughout the world, is a rare last name. The surname Iug is characteristic of Nigeria, where it is a very rare surname, Italy, and Argentina. Not in comparison with a country's population, it is commonest in Nigeria, the United States, and China. More prevalently, Iug is the forename as well as the last name.
Ma, Marcel, Markus, Albert, Alfred, Roland, Regula, Daniel, Dieter, Lorenz, Thomas, Verena, Walter, Werner, Ursula, Margrit, Michael, Andreas, Barbara, Patrick, Ians-Ulrich, Christian, Martin, Christoph, Ieidi, Erika, Sa, Max, Urs, Anna, Beat, Kurt, Paul, Rolf, Rene, Ruth, Gmbi, Ians, Maria, Andre, Anita, Bruno, Peter, Roger, Jakob, Josef, Erich, Ernst, and Elisabeth