Last name Otma (Otma 
) , all over the world, is a rare cognomen. The family name Otma is characteristic of Algeria, where it is a rare surname, Morocco, and Netherlands, where it is a very rare surname. Also, Otma is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Otma | Morocco, Algeria, Spain, India, Brazil |