Surname Simpliciano (Simpliciano 
) , around the globe, is quite a rare last name. The cognomen Simpliciano is habitual in Philippines, where it is quite a rare surname, Brazil, where it is a very rare surname, and the United States. Very seldom, Simpliciano is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Simpliciano | Canada, Philippines, Italy, Brazil, United States |
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san simpliciano former Archbishop of Milan; a Saint in the Catholic Church, IT (b. 320) |
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