Last name Вітаутас-Йонас (Вітаутас-Йонас 
) , around the world, is an extremely rare cognomen. Much more frequently, Вітаутас-Йонас is the forename as well as the last name. Parts of the name also exists independently as a first name Вітаутас, and a first name Йонас.
| VARIANT | COUNTRY |
|---|---|
| Вітаутас-Йонас | Ukraine |