Family name Phoutthavong (Phoutthavong 
) , across the world, is quite a rare last name. The last name Phoutthavong is characteristic of Laos, where it is quite a common surname, Thailand, where it is a very rare surname, and the United States. Much less frequently, Phoutthavong is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Phoutthavong | Laos, Thailand, United States, Argentina, Canada |
| laenly phoutthavong Laotian sprinter, LA (b. 1996) |
|
Bee, Padith, Danilo, Daotavanh, Linlie, Thomas, Nathan, Orlada, Manikeo, Simmala, Sivilay, Souphak, Somdeth, Chantha, Chantra, Banhlang, Bronson, Kaisone, Kiengchay, Pokhamkh, Daiyana, Justine, Ketkeo, Kongsy, Kalina, Bounmy, Ket, Saly, Kane, Kham, Lena, Tony, Navy, Erin, Enoi, Vanh, Homhouan, Sandy, Amone, Katay, Peter, Phane, Phanh, Joann, Minnie, Shirla, Austin, Chandy, Alina, and Vannady