Family name Southiphong (Southiphong 
) , around the world, is quite a rare cognomen. The surname Southiphong is characteristic of Laos, where it is quite a common surname, France, where it is a very rare surname, and the United States, where it is an extremely rare surname. Much less frequently, Southiphong is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Southiphong | Thailand, France, Canada, Laos, United States |
Ms, Souksavanh, Souryadeth, Kinnakone, Phonsack, Kheuangphet, Clarisse, Souphaly, Siphanh, Thipphachanh, Colton, Venus, Thone, Lilas, Cindy, Dion, Phao, Sang, Keo, Annita, and Thipphaphone