Cognomen Arphawan (Arphawan 
) , throughout the world, is an extremely rare last name. Much more prevalently, Arphawan is the forename as well as the last name.
Sungsiri, Phlaichum, Yaikhaw, Sonpasit, Janpanao, Thongtan, Thuanthi, Sopontammarak, Prommanee, Nilthaweesup, Ningsanond, Ngamekudompong, and Saenkhampha