Family name Sayfon (Sayfon 
) , worldwide, is an extremely rare last name. The cognomen Sayfon is habitual in Malaysia, where it is an extremely rare surname, Thailand, and the United States. Predominantly, Sayfon is the forename as well as the last name.
Fon, Maneesot, Sutthiso, Sriwisai, Sreewasut, Chumming, Buadabtip, Kurdkaikaew, Jaiyasan, Tongtearn, Homprasit, Siamphone, Suwanarot, Schroeder, Chaladtum, Kunlawanna, Kullawanna, Tonggamnak, Inthisane, Chiangchin, Chuangchot, Khamphouang, Nuanngam, Thaikan, Gonkomon, Punlomso, Suvan, Budha, Butha, Kamsa, Pango, Hatto, Saboao, Kanphlu, Kaoian, Kunsee, Deemuangpak, Kuedkaikaew, Nilpet, Foyjun, Sangpan, Sukpang, Setthao, Butpakdee, Kunllawanna, Promsuk, Polsoda, Potiwan, Klahan, and Boonchaisan