All around the world, Achilleos (Achillea 
, Achilleos 
) is a very rare unisex forename. The first name Achilleos is habitual in Southern Europe, particularly Greece, where it is a rare girly name. Much more prevalently, Achilleos is the last name as well as the forename.
| VARIANT | COUNTRY |
|---|---|
| Achillea | United Kingdom, South Africa, Italy, United States, Myanmar |
| Achilleos | Cyprus, United Kingdom, Australia, United States, Greece |