Surname Viorel-Ioan (Viorel-Ioan 
) , worldwide, is an extremely rare last name. Much more frequently, Viorel-Ioan is the forename as well as the last name. Parts of the name also exists independently as a first name Viorel, and a first name Ioan.
| VARIANT | COUNTRY |
|---|---|
| Viorel-Ioan | Germany, Italy, Norway, Romania |