Cognomen Sihavong (Sihavong 
) , throughout the world, is quite a rare last name. The last name Sihavong is characteristic of Laos, where it is quite a common surname, Canada, where it is a very rare surname, and Australia. In absolute terms, it most frequently occurs in Laos, the United States, and Canada.
| VARIANT | COUNTRY |
|---|---|
| Sihavong | Australia, Canada, Thailand, Laos, United States |
| khonesavanh sihavong footballer, LA (b. 1994) |
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| sonevilay sihavong Laotian association football player, LA (b. 1996) |
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