Last name アガタ (Agata 
, アガタ 
, Ágatha 
) , around the globe, is a widespread cognomen. The surname アガタ is habitual in Poland, where it is a common surname, Curacao, where it is quite a common surname, and Slovenia, where it is quite a rare surname. In absolute terms, it most frequently occurs in Poland, Indonesia, and Nigeria. Likewise, アガタ is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Agata | Indonesia, Italy, Tanzania, Poland, Brazil |
| アガタ | Japan |
| Ágatha | Portugal, Spain, Brazil, United States |