In all the world, Petri (Petri 
, Петри 
, פטרי 
) is quite a rare epicene forename. The given name Petri is habitual in Finland, where it is quite a common male name, Albania, where it is quite a rare male name, and Sweden. Measured by absolute frequency, this name is the most popular in Finland, Spain, and Indonesia. More frequently, Petri is the last name as well as the forename.
| VARIANT | COUNTRY |
|---|---|
| Petri | Germany, Italy, Brazil, United States, Finland |
| Петри | Kyrgyzstan, Kazakhstan, Ukraine, Russia |
| פטרי | Israel |
Kepa, Peder, Pedro, Pedru, Peer, Peeter, Pehr, Per, Pere, Pero, Peru, Petar, Petelo, Peter, Peters, Petko, Petr, Petrie, Petro, Petros, Petru, Petrus, Petry, Petrì, Petrí, Petsri, Petter, Petteri, Petur, Petří, Piero, Pierre, Piet, Pietari, Pieter, Pietro, Piotr, Piters, Pjeter, Pjetur, Pjetër, Père, Péter, Pétri, Pétur, Pēteris, Πέτρος, Πέτρου, Πετρος, П'Ер,
| carolus petri BE (b. 1624) |
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petri elek HU (b. 1852) |
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| walther petri German sculptor (1940-2011), DE (b. 1940) |
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| ray petri British fashion designer, GB (b. 1948) |
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| giordano petri Italian actor, IT (b. 1979) |
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| eckhardt petri researcher |
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| gallo petri catholic bishop |
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| senait petri |
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| till petri DE (b. 1984) |
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