Cognomen Panuwan (Panuwan 
) , throughout the world, is an extremely rare family name. The cognomen Panuwan is characteristic of South-eastern Asia, particularly Thailand, where it is an extremely rare surname. Much more prevalently, Panuwan is the forename as well as the last name.
Srichai, Srigate, Kansiri, Vonghan, Vonhhan, Lerssrisuriya, Limanggoon, Limaunggoon, Jaichoophan, Oberhauser, Kittithummakool, and Chantawannakul