Surname Suwanni (Suwanni 
) , in the entire world, is an extremely rare cognomen. The surname Suwanni is characteristic of South-eastern Asia, particularly Thailand, where it is an extremely rare surname. Much more prevalently, Suwanni is the forename as well as the last name.
Ng, Ratthanu, Raksamun, Limwilat, Thonghom, Wisetpheng, Amonthammakhun, Auparattha, Channakhin, Champahom, Chaibunlue, Chuaybamrung, Bebbington, Phanklang, Rattannpakorn, Thongkaew, Thongkotr, Thungkaeo, Wongsasan, Chomphudaeng, Sirichariyawat, Chaleesombat, Pannakha, Boonmuer, Boonmuen, Chooanan, On, Misuk, Sukma, Likha, Maseng, Sukwet, Chomhpudaeng, Tipsak, Sanbophit, Saengno, Rattanupakorn, Saengwo, Paennoi, Dounyai, Thaipan, Nimklang, Nuiseng, Homruen, Wongyen, Muangonphanao, Sudtasay, Atsawawut, Bunkerd, and Chanthanasathian