Surname Viool (Viola 
, Vitula 
, Viole 
) , around the globe, is a common family name. The last name Viool is characteristic of Italy, where it is quite a common surname, Paraguay, and Argentina (explore the name in all countries). Not in comparison with a country's population, this name is the most popular in Italy, Philippines, and the United States. Likewise, Viool is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Viola | Germany, Philippines, Argentina, Italy, United States |
| Vitula | France, Spain, Brazil, United States, India |
| Viole | Argentina, Italy, Brazil, United States, Indonesia |
| Viool | Brazil, Germany, Netherlands, Canada |