Surname Παπαγιάννη (Papagianni 
, Παπαγιάννη , Papayanni 
) , all over the world, is quite a rare last name. The cognomen Παπαγιάννη is habitual in Greece, where it is quite a common surname, Cyprus, and Switzerland, where it is a very rare surname. Measured by absolute frequency, this name is the most popular in Greece, Cyprus, and France.
| VARIANT | COUNTRY |
|---|---|
| Papagianni | Germany, Cyprus, Italy, Switzerland, Greece |
| Παπαγιάννη | Greece |
| Papayanni | South Africa, Canada, United States, Greece, France |
| λίλλη παπαγιάννη Greek actress, GR (b. 1935) |
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| μαρία παπαγιάννη Greek writer, GR (b. 1964) |
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| δήμητρα παπαγιάννη Greek archaeologist and historian, GR (b. 1969) |
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| αθηνά παπαγιάννη Greek racewalker, GR (b. 1980) |
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