Surname Jelsen (Jelsen 
) , around the globe, is a very rare cognomen. The cognomen Jelsen is characteristic of Switzerland, where it is a very rare surname, Honduras, and Germany, where it is an extremely rare surname. More frequently, Jelsen is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Jelsen | Germany, Spain, Philippines, Switzerland, India |
| yemi jelsen chess player (b. 1993) |
|