In the entire world, Rulex (Rulex 
) is a very rare predominantly boy's, but very infrequently girly first name. The forename Rulex is characteristic of South-eastern Asia, particularly Philippines, where it is a very rare boy's name. Much less frequently, Rulex is the last name as well as the forename.
| VARIANT | COUNTRY |
|---|---|
| Rulex | Netherlands, Mexico, Philippines, India, Spain |