Cognomen Erigan (Erigan 
) , worldwide, is a very rare last name. The surname Erigan is characteristic of Philippines, where it is a very rare surname, Mexico, where it is an extremely rare surname, and Venezuela. Not in comparison with a country's population, this name is the most popular in Philippines, Mexico, and Nigeria. Very seldom, Erigan is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Erigan | Philippines, Mexico, Nigeria, United States, Venezuela |