Cognomen Simitsis (Simitsis 
) , all over the world, is a rare family name. The family name Simitsis is habitual in Greece, where it is quite a rare surname, Australia, where it is a very rare surname, and Canada.
| VARIANT | COUNTRY |
|---|---|
| Simitsis | Greece, Australia, Germany, Canada, United States |
| alkis simitsis Ph.D. National Technical University of Athens 2004 |
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| panagiotis simitsis researcher ORCID ID = 0000-0001-8215-7893 |
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| georgios simitsis Greek taekwondoin, GR (b. 1994) |
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Lea, Georgios, Leuteris, Lefteris, Thorianna, Nikolaos, Apostolos, Chariclea, Kimberley, Gabriela, Dimitrios, Emmanouil, Evangelos, Evaggelos, Vasileios, Alexandros, Aristeidis, Konstantin, Panagiotis, Theodoros, Eleftherios, Dimitris, Stefanos, Alex, Maria, Alkis, Chris, Basil, Nikos, Ellen, Kostas, Christos, George, Esther, Michael, Demetre, Giorgos, Lazaros, Vasilis, Vagelis, Ioannis, Thomas, and Konstantinos