Cognomen 雷根 (Regen 
, Rendon 
, Raghan 
) , in the entire world, is a widespread last name. The family name 雷根 is characteristic of Colombia, where it is quite a common surname, Mexico, and Philippines (explore the name in all countries). Much less frequently, 雷根 is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Regen | Philippines, Mexico, United States, Peru, Indonesia |
| Rendon | Philippines, Colombia, Mexico, United States, Venezuela |
| Raghan | Pakistan, United States, South Africa, India |
| 雷根 | China |