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 | Mexico, Indonesia, United States, Peru, Philippines |
| Rendon | Mexico, Venezuela, United States, Philippines, Colombia |
| Raghan | South Africa, India, United States, Pakistan |
| 雷根 | China |