Cognomen Kaimana (Diamant 
, Adamas 
, Diamas 
) , worldwide, is quite a common family name. The last name Kaimana is characteristic of Guadeloupe, where it is quite a common surname, Algeria, where it is quite a rare surname, and Cameroon. Measured by absolute frequency, it is the most numerous in Algeria, Cameroon, and the United States. Also, Kaimana is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Diamant | Democratic Republic of the Congo, Cameroon, Algeria, France, United States |
| Adamas | France, Indonesia, Poland, United States, Philippines |
| Diamas | Brazil, Democratic Republic of the Congo, Indonesia, United States, Philippines |
| Kaimana | Angola, Indonesia, United States, South Africa, Myanmar |