Surname コバ (Koba 
, コバ 
, Cova 
) , throughout the world, is a common cognomen. The surname コバ is habitual in Georgia, where it is a common surname, Venezuela, where it is quite a common surname, and Curacao. Measured by absolute frequency, it is the most numerous in Venezuela, Georgia, and India. Likewise, コバ is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Koba | Georgia, Italy, Mexico, India, Poland |
| コバ | Japan |
| Cova | Italy, Mexico, India, Venezuela, Brazil |