Cognomen วัตตะ (Watta 
, วัตตะ 
) , throughout the world, is quite a rare surname. The last name วัตตะ is habitual in Kenya, where it is a rare surname, Thailand, and Ivory Coast. Not in comparison with a country's population, it is commonest in Thailand, Kenya, and the Democratic Republic of the Congo. Much less frequently, วัตตะ is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Watta | Germany, Ivory Coast, Kenya, Guinea, Democratic Republic of the Congo |
| วัตตะ | Thailand |