Family name Fthenakis (Fthenakis 
) , around the world, is a rare cognomen. The family name Fthenakis is characteristic of Greece, where it is quite a rare surname, Germany, where it is a very rare surname, and the United States, where it is an extremely rare surname.
| VARIANT | COUNTRY |
|---|---|
| Fthenakis | Greece, United States, Germany |
| wassilios fthenakis German geneticist, DE (b. 1937) |
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| george c fthenakis researcher (ORCID 0000-0002-0214-6332) |
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