Surname Oani (Oani 
) , around the globe, is a rare family name. The surname Oani is characteristic of Philippines, where it is a rare surname, Malaysia, where it is a very rare surname, and Colombia. Not in comparison with a country's population, this name is the most popular in Philippines, the United States, and Colombia. Likewise, Oani is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Oani | Japan, India, Colombia, Philippines, United States |