Last name Athanásios (Athanasios 
, Αθανάσιος , Афанасиос 
) , all around the world, is a widespread family name. The surname Athanásios is habitual in Greece, where it is a prevalent surname, North Macedonia, where it is quite a rare surname, and Cyprus. Measured by absolute frequency, it is the most numerous in Greece, Afghanistan, and Romania. Also, Athanásios is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Athanasios | Germany, Cyprus, United Kingdom, United States, Greece |
| Αθανάσιος | Greece |
| Афанасиос | Russia, Ukraine |
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