Surname Smion (Smion 
) , throughout the world, is a very rare cognomen. The last name Smion is habitual in Tanzania, where it is a very rare surname, Nigeria, where it is an extremely rare surname, and the United States. Also, Smion is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Smion | Tanzania, Malaysia, India, Nigeria, United States |