Last name Marian Ioan (Marian Ioan 
) , all over the world, is a very rare cognomen. The last name Marian Ioan is characteristic of Romania, where it is a rare surname, and Spain, where it is a very rare surname. More frequently, Marian Ioan is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Marian Ioan | Romania, Spain, Canada |