Cognomen Decorina (Decorina 
) , around the world, is a very rare family name. The last name Decorina is habitual in Philippines, where it is a very rare surname, Canada, where it is an extremely rare surname, and the United States. Very seldom, Decorina is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Decorina | Brazil, Canada, Philippines, United States, India |