Last name Marjo Riitta Karoliina (Marjo Riitta Karoliina 
) , all over the world, is an extremely rare surname. Much more prevalently, Marjo Riitta Karoliina is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Marjo Riitta Karoliina | Finland |