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 | Indonesia, South Africa, Taiwan, Egypt, Myanmar |
| Oktober | United Kingdom, Malaysia, United States, Indonesia, South Africa |
| Otul | India, Philippines, Nigeria, United States |