Cognomen Omegan (Omegan 
) , all around the world, is a very rare family name. The family name Omegan is characteristic of Philippines, where it is a very rare surname, Venezuela, where it is an extremely rare surname, and the United States. Much less frequently, Omegan is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Omegan | United States, Venezuela, South Africa, Philippines |