Surname Vaha'I (Vaha'I 
) , all around the world, is an extremely rare cognomen. The cognomen Vaha'I is habitual in Northern America, particularly the United States, where it is an extremely rare surname.
| VARIANT | COUNTRY |
|---|---|
| Vaha'I | United States |
| nikotimasi fatafehi laufilitonga kakau vaha'i Tongan politician (b. 1971) |
|