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Cognomen Octavus (Octave
, Oktav
, Octaaf
) , worldwide, is quite a common last name. The family name Octavus is characteristic of Latin America and the Caribbean, particularly Saint Lucia, where it is a common surname, Guadeloupe, where it is quite a common surname, and Barbados, where it is quite a rare surname. Measured by absolute frequency, the name is most common in Indonesia, Ethiopia, and Turkey. Also, Octavus is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Octave | Rwanda, France, Ethiopia, Indonesia, Democratic Republic of the Congo |
| Oktav | Turkey, Sweden, United States, Indonesia, Germany |
| Octaaf | South Africa, Belgium, Canada |
| Octavus | United States, South Africa |