Cognomen Siifan (Siifan 
) , all over the world, is a very rare family name. The family name Siifan is habitual in Western Asia, particularly Saudi Arabia, where it is a rare surname. More prevalently, Siifan is the forename as well as the last name.
Ko, Mosisa, Shawaa, Siffan, Aggaro, Baalee, Kadiir, Kiyyaa, Jamaal, Jimmaa, Hussen, Ismael, Oromia, Oromoo, Jiruu Koo, Oromiya, Wareegama, Gammadaa, Obsee, Oromiyaa, Oromo, Jimma, Ali, Koo, Siif, Adam, Bale, Love, Jira, Obse, Umar, Arsii, Abdii, Abebe, Amaan, Amboo, Baale, Gonfa, Jamal, Hasan, and Oromiyyaa