Cognomen Losuwan (Losuwan 
) , globally, is a rare surname. The surname Losuwan is habitual in South-eastern Asia, particularly Thailand, where it is a rare surname.
Wim, Penprapha, Laddawan, Jiraporn, Natthida, Nattanun, Nachanok, Nitiphat, Suphaphon, Kittichai, Kiattisak, Paramapon, Puttapong, Nantanart, Nuntanutch, Nuttakorn, Chrischaya, Kornchanok, Pornchanok, Phureephat, Tassanaporn, Nutthamani, Krittaya, Kaveekij, Kanoksak, Sathanee, Rean, Rian, Minta, Araya, Pilai, Pitak, Rearn, Daraka, Luxama, Wasana, Kanlayaporn, Wisanu, Pramoch, Pinsuda, Tanasak, Tanawat, Toemsak, Nattida, Nuttida, Wanlapa, Umaporn, Maneewan, Soranee, and Patsaraporn