Last name Otai (Otai 
) , worldwide, is quite a rare cognomen. The last name Otai is characteristic of Uganda, where it is quite a rare surname, Malaysia, where it is a rare surname, and Saudi Arabia. Likewise, Otai is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Otai | Japan, Malaysia, Uganda, Saudi Arabia, India |
| mana otai New Zealand rugby union footballer and coach, NZ (b. 1968) |
|