Cognomen Naphalai (Naphalai 
) , globally, is an extremely rare family name. Much more prevalently, Naphalai is the forename as well as the last name.
Sainu, Panlahaeng, Phonkaew, Thanawat, Thongdee, Chatthaisong, Khieokham, Paungpook, Komolmena, Phonpanan, Sirisombun, Phonphanan, Phonsawankhiri, Teeramethakorn, Wannaprapha, Chanasongkrum, Phuriwitthayakul, Thongloet, Wongthongkham, Kawakami, Sombunpleng, Saemu, Smith, Makhon, Sae Mu, Kumhachai, Pongda, Naengwong, Changmai, Saeyong, Auaiphorn, Bunkoet, Graiharn, Jaisiri, Sariphan, Saengkla, Sukkasem, Areesorn, and Phattharanudet