Family name Karayannis (Karayannis 
, Καραγιάννης ) , in all the world, is a rare cognomen. The cognomen Karayannis is habitual in Greece, where it is a rare surname, Bulgaria, and Australia. Not in comparison with a country's population, the name is most common in Greece, the United States, and Australia.
| VARIANT | COUNTRY |
|---|---|
| Karayannis | France, Bulgaria, Greece, Australia, United States |
| Καραγιάννης | Greece |
Karagiannis, and Караянніс
| nicholas v karayannis researcher |
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| theofanis karayannis researcher |
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| nicholas m. karayannis scientist, US |
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Mr, Vayos, Frank, Marios, Michel, Sophie, Arthur, Ashley, Kostas, Denise, George, Lorena, Elaina, Helene, Hector, Frensa, Yannis, Melissa, Michael, Mixalis, Anthony, Arminda, Helga, Helen, Toula, Jorge, Ann, Amy, Mary, Mike, Alex, Aris, Bill, Kate, Demi, John, Corinne, Joel, Nick, Niko, Sarah, Chris, Basil, Katie, Panos, Laure, Luisa, James, Juan, and Kathryn