Around the world, ريجين (Rejane 
, Regen 
, ريجين 
) is a common feminine first name. The forename ريجين is characteristic of Brazil, where it is quite a common female name, France, where it is quite a rare feminine name, and Philippines, where it is quite a rare gender-neutral name. Much less frequently, ريجين is the last name as well as the forename.
| VARIANT | COUNTRY |
|---|---|
| Rejane | France, Philippines, Democratic Republic of the Congo, Brazil, United States |
| Regen | Germany, Indonesia, Philippines, Brazil, United States |
| ريجين | Iraq |
| Reigen | Japan, Indonesia, India, Philippines, United States |