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