Surname Otul (October 
, Oktober 
, Otul 
) , worldwide, is quite a common last name. The surname Otul is habitual in South Africa, where it is quite a common surname, Brunei, where it is quite a rare surname, and Namibia. In absolute terms, it most frequently occurs in South Africa, Indonesia, and Egypt. Very seldom, Otul is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| October | Egypt, Indonesia, South Africa, Myanmar, Taiwan |
| Oktober | Malaysia, Indonesia, South Africa, United Kingdom, United States |
| Otul | Nigeria, Philippines, India, United States |