In all the world, Oktavius (Oktavius 
) is a rare masculine first name. The forename Oktavius is characteristic of South-eastern Asia, particularly Indonesia, where it is a rare male name. Also, Oktavius is the last name as well as the forename.
| VARIANT | COUNTRY |
|---|---|
| Oktavius | India, Indonesia, Malaysia |
| oktavius august joseph christoph graf von degenfeld-schonburg (1807-1849) (b. 1807) |
|
|
| oktavius christoph franziskus maria konstantin gräfin von degenfeld-schonburg (born 1849) (b. 1849) |
|
|
| oktavius von terzen |
|