Last name Orensia (Orensia 
) , worldwide, is a very rare surname. The cognomen Orensia is habitual in Spain, where it is a very rare surname, Mexico, where it is an extremely rare surname, and Philippines. Much less frequently, Orensia is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Orensia | Mexico, Spain, United States, Philippines |