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 | Italy, Poland, India, Mexico, Georgia |
| コバ | Japan |
| Cova | Venezuela, Italy, Brazil, Mexico, India |