Around the globe, Phommavongsa (Phommavongsa 
) is an extremely rare unknown gender given name. Much more frequently, Phommavongsa is the last name as well as the forename.
| VARIANT | COUNTRY |
|---|---|
| Phommavongsa | Canada, France, United States, Thailand, Laos |
Sou, Jayson, Johnny, Nimitt, Hannah, Hanxay, Matthew, Saimany, Sabrina, Somchay, Somdeth, Anthony, Chineda, Bounlay, Khammai, Khammay, Richard, Thongdy, Naralak, Noukone, Vanhsay, William, Jaclyn, Phouva, Panhya, Khamla, Kim, Lou, Scot, Alex, Lisa, John, Teve, Faye, Ying, Mandy, Michelle, Metta, Julie, Thong, Vimon, Manidy, Sakoun, Suriya, Sonxay, Symoun, Aphaymany, Bounmy, Sunny, and Soulaxay