Cognomen Ottiniano (Ottiniano 
) , in all the world, is a very rare surname. The cognomen Ottiniano is characteristic of Peru, where it is a rare surname, and the United States, where it is an extremely rare surname. Very seldom, Ottiniano is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Ottiniano | Peru, United States |