Last name Phouthavanh (Phouthavanh 
) , around the world, is a very rare cognomen. The last name Phouthavanh is characteristic of Northern America, particularly the United States, where it is an extremely rare surname. Much more prevalently, Phouthavanh is the forename as well as the last name.
Ngaolouangrath, Sayasone, Soundara, Chaleunrath, Phiphakkhavong, Xayasane, Mekthanavanh, Keosavang, Vilayseng, Manipakone, Savatphonh, and Phommasene