Family name Papagiannis (Papagiannis 
, Παπαγιάννης ) , in all the world, is quite a rare last name. The surname Papagiannis is characteristic of Greece, where it is quite a common surname, Cyprus, and Australia, where it is a rare surname. Not in comparison with a country's population, the name is most common in Greece, Cyprus, and the United States.
| VARIANT | COUNTRY |
|---|---|
| Papagiannis | Germany, Greece, Cyprus, Canada, United States |
| Παπαγιάννης | Greece |
| dimitrios papagiannis researcher |
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| michael demetrius papagiannis Ph.D. Harvard University 1964 |
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| ioannis papagiannis Ph.D. Imperial College London 2013 |
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| georgios i papagiannis researcher |
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| alexandros papagiannis researcher (ORCID 0000-0003-4533-0823) |
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| george john papagiannis Ph.D. Stanford University 1977 |
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| panagiotis papagiannis researcher |
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| manthos papagiannis |
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Mr, Jodi, Juan, Nick, Eric, Iris, Ioan, Zoey, Maria, Manos, Sakis, Susan, Sonia, Steve, Angie, Athan, Chris, Carol, Babis, Kosta, John, Jane, Greg, Dino, Con, Gus, Leo, Lou, Jim, Tom, Zoe, Mary, Mark, Panag, Mike, Alex, Andy, Anna, Aris, Akis, Bill, Paul, Rena, Dean, Suzi, and Panos