Across the world, Sumba (Sumba 
, Сумба 
) is a rare largely masculine, but seldom feminine given name. The given name Sumba is habitual in Tanzania, where it is a very rare male name, India, where it is a very rare mostly masculine, but uncommonly female name, and Indonesia, where it is a very rare gender-neutral name. Not in comparison with a country's population, the name is most common in India, Indonesia, and Nigeria. More frequently, Sumba is the last name as well as the forename.
| VARIANT | COUNTRY |
|---|---|
| Sumba | Tanzania, Kenya, India, Angola, Indonesia |
| Сумба | Russia, Ukraine |