Cognomen Sionel (Sionel 
) , all over the world, is a very rare last name. The family name Sionel is habitual in Philippines, where it is a very rare surname, and Venezuela. Likewise, Sionel is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Sionel | South Africa, Philippines, United States, Brazil, Venezuela |