Throughout the world, マッケン (Machen 
, Macken 
, マッケン) is a rare epicene first name. The first name マッケン is habitual in the Dominican Republic, where it is a rare boy's name, Nigeria, where it is a rare epicene name, and the United States, where it is a very rare gender-neutral name. In absolute terms, this name is the most popular in Nigeria, India, and the Dominican Republic. More frequently, マッケン is the last name as well as the forename.
| VARIANT | COUNTRY |
|---|---|
| Machen | Australia, Nigeria, India, United States, United Kingdom |
| Macken | Australia, Ireland, United States, Belgium, United Kingdom |