Last name Petrakos (Petrakos 
) , across the world, is a rare family name. The surname Petrakos is characteristic of Greece, where it is quite a rare surname, Canada, where it is a rare surname, and Australia. Not in comparison with a country's population, it is commonest in Greece, the United States, and Canada. Much less frequently, Petrakos is the forename as well as the last name.
| VARIANT | COUNTRY |
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| Petrakos | Canada, Australia, United States, Greece, New Zealand |
| george petrakos college basketball player (1982–1982) Evansville |
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| greg petrakos college basketball player (1983–1984) Evansville |
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| george petrakos researcher |
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| michalis petrakos Ph.D. University of Wyoming 1995 |
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| george petrakos rugby player, GB (b. 1988) |
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| babis petrakos Greek footballer, GR (b. 1991) |
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Mr, Megan, Mikel, Sarah, Susan, Senna, Steve, Spero, Chris, Carol, Costa, Betsy, Becky, Karen, Panos, Paula, Peter, David, Diana, Gregg, Maria, Lenny, Niki, Judy, M J, Sam, Joy, Jim, Eva, Mary, Mike, Andy, Adam, Avra, Bill, Kara, Paul, Gail, Greg, Gina, Lisa, John, Joan, Nick, and Louis