Cognomen Kayvan (Kayvan 
, کیوان , Кайван 
) , throughout the world, is a rare family name. The cognomen Kayvan is characteristic of Iran, where it is a rare surname, Ukraine, where it is a very rare surname, and the United States, where it is an extremely rare surname. More prevalently, Kayvan is the forename as well as the last name.
Wee, Sadeghi, Saadein, Shahabi, Ardalan, Abselet, Akhavan, Korouni, Rahmani, Lafafian, Hazrati, Haghani, Haghpeykar, Vojdani, Mirshahi, Alikhani, Baroumand, Torabian, Najarian, Haghighi, Keshavarz, Mottahedeh, Sanaiha, Mirhadi, Mirabel, Mahramzadeh, Shah, Vafa, Malek, Kaveh, Naimi, Nahai, Niazi, Hakim, Moradi, Abbasi, Pourjavaheri, Akrami, Karimi, Karoon, Kamali, Kimyai, Gabbay, Taheri, Ellini, Heravi, Vakili, Farzin, Ahmadi, and Ilkhanipour