Cognomen Tuday (Tuday 
) , across the world, is a rare family name. The family name Tuday is habitual in Turkey, where it is a rare surname, Philippines, and the United States, where it is a very rare surname. Much less frequently, Tuday is the forename as well as the last name.
Ray, Cemil, Katie, Peter, Resul, Recep, David, Donna, Gamze, Gizem, Linda, James, Jewel, Eli F, Hasan, Hakan, Verna, Fatma, Flora, Orest, Yusuf, Marlyn, Cenan, Monera, Celal, Ayşe, Jan, Mary, Adem, Baba, Dani, Gina, June, Elif, Eric, Erol, Emre, Marco, Meral, Merve, Murat, Silad, Simge, Surab, Susan, Arlyn, Agnes, Ahmet, and Melisa