Cognomen Obma (Obma 
) , in the world, is a rare surname. The surname Obma is characteristic of Thailand, where it is a very rare surname, Netherlands, and Canada, where it is an extremely rare surname. Not in comparison with a country's population, it most frequently occurs in Thailand, the United States, and China. Very seldom, Obma is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Obma | China, Nigeria, United States, Thailand, Netherlands |