Cognomen Euthymiou (Euthymiou 
) , all over the world, is a very rare last name. The family name Euthymiou is habitual in Brazil, where it is an extremely rare surname, and South Africa.
| VARIANT | COUNTRY |
|---|---|
| Euthymiou | Brazil, South Africa |
| christodoulos euthymiou (b. 1776) |
|