Cognomen Tannaz (Tannaz 
) , all around the world, is a rare surname. The surname Tannaz is characteristic of Morocco, where it is a rare surname, Switzerland, and Spain, where it is a very rare surname. In absolute terms, it is the most numerous in Morocco, Iran, and the United States. More prevalently, Tannaz is the forename as well as the last name.
Rad, Fatehi, Warren, Mohseni, Bagheri, Rasouli, Rouhani, Tabrizi, Tehrani, Hashemi, Alizadeh, Afrouzeh, Tavakoli, Emamjomeh, Hosseini, Zarghami, Mohammadi, Rahimipour, Lavassani, Joorabchian, Eskandari, Yazdandoust, Fatemi, Taheri, Razavi, Rajabi, Zare, Malek, Morim, Alavi, Amiri, Amini, Ameli, Asadi, Drake, Noori, Malekzadeh, Nouri, Moradi, Santos, Sarbaz, Safavi, Altafi, Askari, Ahmadi, Afshar, Bowles, Karimi, Fathi, and Ghazanfari