In the entire world, Oatis (Oatis 
) is a very rare largely boy's, but infrequently girly forename. The forename Oatis is habitual in Northern America, particularly the United States, where it is an extremely rare primarily boy's, but scarcely feminine name. Much more prevalently, Oatis is the last name as well as the forename.
| VARIANT | COUNTRY |
|---|---|
| Oatis | Canada, Philippines, United States, Singapore, United Kingdom |