Surname Katsantonis (Katsantonis 
) , around the world, is quite a rare cognomen. The family name Katsantonis is habitual in Greece, where it is quite a common surname, Cyprus, where it is quite a rare surname, and Austria, where it is a rare surname. Not in comparison with a country's population, it is commonest in Greece, Cyprus, and the United States. Very seldom, Katsantonis is the forename as well as the last name.
| VARIANT | COUNTRY |
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| Katsantonis | Australia, United States, Greece, Austria, Cyprus |
| prodromos katsantonis Cypriot sprinter and former hurdler, CY (b. 1975) |
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| dimitrios katsantonis researcher ORCID ID = 0000-0002-5318-1875 |
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| nicolas-george katsantonis researcher (ORCID 0000-0002-7979-6130) |
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| georgios katsantonis Greek philologist (1987-), GR (b. 1987) |
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| stavros katsantonis Canadian football safety, US (b. 1996) |
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| andreas katsantonis association football player, CY |
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Mr, Roula, Georg, Louis, James, Joann, Jimmy, Thaya, Tommy, Natia, Nikol, Nikos, Helen, Vayia, Vilma, Fotis, Ilias, Ionna, Marios, Sandra, Savvas, Spiros, Peter, Perri, Patty, Paris, Ms, Pam, Nik, Evi, Mary, Angi, Akis, Bill, Lucy, John, Adamos, Jean, Theo, Hope, Vaia, Ioan, Zeno, Makis, Aster, Athan, Chris, Bobby, Taso, and Kostas