All over the world, Uaina (Uaina 
) is a very rare principally boy's, but very infrequently girly first name. The given name Uaina is characteristic of Southern Asia, particularly India, where it is an extremely rare masculine name. Much less frequently, Uaina is the last name as well as the forename.
| VARIANT | COUNTRY |
|---|---|
| Uaina | India, United States, Brazil, New Zealand |