Cognomen Viphavanh (Viphavanh 
) , in the entire world, is a rare last name. The family name Viphavanh is habitual in South-eastern Asia, particularly Laos, where it is quite a rare surname. More prevalently, Viphavanh is the forename as well as the last name.
Somala, Pheuyavong, Soulaphy, Sokanthong, Bounkham, Phonsouk, Vongsayya, Xayavong, Matsumoto, Vilaivanh, Phouthalath, Phetsongkham, and Viengsavanh