Last name อุมา (Uma 
, อุมา 
) , across the world, is a common family name. The surname อุมา is habitual in Thailand, where it is quite a rare surname, Qatar, and Nigeria. Measured by absolute frequency, the name is most common in India, Nigeria, and Thailand. Much more prevalently, อุมา is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Uma | Nepal, India, Indonesia, Ethiopia, Nigeria |
| อุมา | Thailand |