Around the world, Undia (Undia 
) is a very rare unisex first name. The first name Undia is characteristic of Nigeria, where it is a very rare epicene name, and India, where it is an extremely rare unisex name. More prevalently, Undia is the last name as well as the forename.
| VARIANT | COUNTRY |
|---|---|
| Undia | Philippines, India, Nigeria, United States, Indonesia |