Last name Naosuwan (Naosuwan 
) , in all the world, is a rare cognomen. The last name Naosuwan is characteristic of South-eastern Asia, particularly Thailand, where it is a rare surname.
Anat, Suppawat, Souwaluk, Kittisak, Parichat, Paruehapsabodee, Panupong, Paungtong, Pornthip, Phichaya, Saowaluk, Rachsanon, Nattapayong, Nattapol, Nawanwat, Kotchawan, Khajohnsak, Phra Likhit, Natpaphat, Wilasinee, Piyachanok, Jantarus, Nontiya, Tananat, Darunee, Aree, Auean, Chang, Winit, Sathit, Sawang, Suraya, Somjit, Apisak, Bhudit, Patama, Pimjai, Lalita, Onsiri, Sirawit, Somporn, Charoen, Kannika, Khukrit, Panuwat, Phairot, Thunchanok, and Photcharadanai