Cognomen Suwapan (สุวพรรณ 
, Suwapan , สุวพันธุ์ ) , in all the world, is a very rare family name. The cognomen Suwapan is habitual in South-eastern Asia, particularly Thailand, where it is a rare surname. More prevalently, Suwapan is the forename as well as the last name.
Sunsin, Thammanusati, Siriwong Na Ayuthaya, Wattanavekin, Chandravorachat, Siriwongnaaryuthaya, Rujirakanusorn, Kanjanamas, Duangamporn, Dumrongwut, Bunchamphoo, Chatkaseamsakul, Surasanpredee, Sathiropard, Tongsathit, Tansakul, Pleumkanitkul, Kelemasthong, Korsatienpong, Chomwong, Suwannop, Noisaad, Miarmat, Piyiphong, Aridej, Sudsnong, Thiraputthipan, and Kanjanawanichakul