Around the world, Efthymiadis (Efthymiadis 
) is an extremely rare unknown gender first name. Much more frequently, Efthymiadis is the last name as well as the forename.
| VARIANT | COUNTRY |
|---|---|
| Efthymiadis | Hungary, Germany, Greece, Cyprus, Romania |
Mr, Nicole, Hayley, Viktor, Fotini, Yannis, Michail, Mihalis, Stathis, Stavros, Andreas, Antonis, Claudia, Kyriaki, Dimitra, Dominik, Giannis, Giorgos, Lazaros, Neoklis, Vanessa, Iraklis, Thanos, Joseph, George, Daniel, Ms, Laz, Ted, Mary, Alex, Paul, Ioan, Manos, Anast, Babis, Ioannis, Panos, Josie, Nikos, Ilias, Sandra, Savvas, Avraam, Costas, Kostas, Pavlos, Petros, Georg, and Sofoklis