Surname Ottia (Ottia 
) , in the world, is a rare last name. The surname Ottia is habitual in Cameroon, where it is a rare surname, Nigeria, where it is an extremely rare surname, and the United States. Measured by absolute frequency, it is the most numerous in Cameroon, Nigeria, and India. Also, Ottia is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Ottia | Nigeria, Cameroon, France, United States, India |