Surname Erneo (Erneo 
) , worldwide, is a rare cognomen. The family name Erneo is characteristic of Tanzania, where it is a rare surname, Philippines, where it is a very rare surname, and Venezuela, where it is an extremely rare surname. Not in comparison with a country's population, it is the most numerous in Tanzania, Philippines, and Mexico. More prevalently, Erneo is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Erneo | Tanzania, Philippines, Venezuela, Brazil, Mexico |