Family name Silivaai (Silivaai 
) , around the world, is an extremely rare surname. The last name Silivaai is habitual in Australia and New Zealand, particularly Australia, where it is a very rare surname. Very seldom, Silivaai is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Silivaai | Australia, United States |