Worldwide, เร็น (Ren 
, เร็น 
) is a common dominantly boy's, but seldom girly given name. The forename เร็น is habitual in Germany, where it is quite a common male name, Israel, where it is quite a common principally boy's, but very seldom girly name, and the Democratic Republic of the Congo, where it is quite a rare epicene name. Not in comparison with a country's population, this name is the most popular in Germany, Indonesia, and the Democratic Republic of the Congo. Much more frequently, เร็น is the last name as well as the forename.
| VARIANT | COUNTRY |
|---|---|
| Ren | Germany, United States, Indonesia, Malaysia, China |
| เร็น | Thailand |
เร็น is also a popular name for the fictitious and mythical characters: Ren Hazuki , the fictional character from Love Live! Superstar!!; Joker , the fictional character in Persona 5, Super Smash Bros. Ultimate; Wang Ren , the Dream of the Red Chamber character; Ren Tao , the Shaman King character and Ren Shimosawa , the fictional character in the television series Heroes Reborn, and in many other works.