Surname אוקטביוס (Octavius 
, אוקטביוס 
) , in the entire world, is quite a rare last name. The cognomen אוקטביוס is characteristic of Haiti, where it is quite a rare surname, the Dominican Republic, where it is a rare surname, and Indonesia. Measured by absolute frequency, it is commonest in Indonesia, Haiti, and Tanzania. Also, אוקטביוס is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Octavius | Haiti, Indonesia, Philippines, United States, Tanzania |
| אוקטביוס | Israel |