Family name Amphayvanh (Amphayvanh 
) , around the world, is an extremely rare last name. The last name Amphayvanh is characteristic of Northern America, particularly the United States, where it is an extremely rare surname. Much more frequently, Amphayvanh is the forename as well as the last name.
Lo, Xayavong, Xayamouangbo, Mounkhaty, Souvannseng, Sysomboune, Bounyaseng, Phrommany, Ngamphengsy, Inthavong, Vilakone, Khounthavong, Khotsombath, Douangmany, Thammavong, Vanpraseuth, Amphonephong, Chittaphong, Phanthavong, Douangchanh, Souvannaseng, Khounnoraj, Phantharangsy, Hongsouvanh, Lasasane, Her, Kham, Aphay, Vilay, Munhavong, Syphanh, Alstatt, Anourack, Keopadith, Nousiharat, Veemara, Waddell, Mahalath, Singthin, Anderson, Boutsady, Katmanivong, Keonavongsa, Keothammachak, Pellerin, Ounechith, and Chanthapraseuth