Worldwide, Gaydan (Gaydan 
) is an extremely rare masculine forename. Predominantly, Gaydan is the last name as well as the forename.
Mr, Yusuf, Zehra, Ömer, Martin, Meryem, Glirsa, Tayfun, Thomas, Tuncay, Tuğba, Tülay, Emi Ne, Haydar, Fabien, Mireyda, Mustafa, Songül, Gönül, Jeannie, Nurtaç, Hati Ce, Yakup, Osman, Fatma, Hasan, Max, Ali, Tã, Efe, Marc, Sami, Awad, Nazl, Eray, Ezgi, Muharrem, Haci, Merve, Murat, Sabri, Semih, Sevgi, Ayşe, Ahmad, Ahmet, Ersin, Ekrem, Hava, and Abdullah