Surname Mitiu (Митю 
, Mitiu 
) , globally, is quite a rare family name. The surname Mitiu is habitual in Bulgaria, where it is quite a common surname, Romania, where it is a rare surname, and Ethiopia, where it is a very rare surname. Also, Mitiu is the forename as well as the last name.
Radu, Edward, Ovidiu, Walter, Mihaela, Andreia, Adeline, Nattie, Cynthia, Pellumb, Rolanda, Deborah, Oloyede, William, Cerasela, Barbara, Cristian, Lucian, Denisa, Niko, Emma, Xhei, Steve, Alina, Asake, Debbie, Karen, Joann, Ionut, Wahab, Silviu, Alfred, Ronald, Laura, and Theodore