Cognomen シェル (Kjell 
, Shell 
, Shel 
, among others...) , throughout the world, is a common last name. The surname シェル is characteristic of Reunion, where it is quite a common surname, Germany, and Sweden, where it is quite a rare surname. Not in comparison with a country's population, it most frequently occurs in the United States, Germany, and India. Likewise, シェル is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Kjell | Norway, Canada, United States, Sweden, Germany |
| Shell | India, Canada, United States, Sweden, Germany |
| Schell, Chelle, Shel | France, India, Canada, United States, Germany |
| シェル | Japan |