Surname Onesa (Onesa 
) , all over the world, is a rare cognomen. The family name Onesa is habitual in Philippines, where it is a rare surname, Romania, and Nigeria, where it is an extremely rare surname. Measured by absolute frequency, the name is most common in Philippines, Romania, and India. Much less frequently, Onesa is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Onesa | Romania, Philippines, India, Indonesia, Nigeria |
| anda onesa RO (b. 1960) |
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| paolo onesa Filipino singer, PH (b. 1993) |
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