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Family name Gratiniano (Gratiniano
) , in all the world, is a rare cognomen. The cognomen Gratiniano is habitual in Spain, where it is a rare surname, Venezuela, and Colombia, where it is a very rare surname. Likewise, Gratiniano is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Gratiniano | Spain, Mexico, Ecuador, Venezuela, Colombia |