Surname アガト (Agato 
, Agatho 
, アガト 
) , across the world, is a rare cognomen. The family name アガト is habitual in Philippines, where it is a rare surname, Tanzania, where it is a very rare surname, and Greece. Not in comparison with a country's population, it most frequently occurs in Philippines, Indonesia, and Japan. Also, アガト is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Agato | Indonesia, Ethiopia, Philippines, Nigeria, Tanzania |
| Agatho | Indonesia, Italy, Tanzania, India, Greece |
| アガト | Japan |