Last name Phanphen (Phanphen 
) , throughout the world, is an extremely rare cognomen. Much more frequently, Phanphen is the forename as well as the last name.
Saetae, Thamrongcheewin, Phrommuang, Saengsurin, Mathathikoon, Mathathikkon, Mathathikhoon, Wongsomsri, Thirabunchaikun, Dachaphan, Wattanaarsakit, Manasyothin, Hengphiphat, Krutkosa, Khongpan, Boonlorn, Yanglek, Sangfoo, Muijaroen, Angeli, Saelee, Yamazawa, and Wongwattana