Cognomen פטרי (Petri 
, Petry , Petrie ) , all over the world, is a common family name. The surname פטרי is habitual in Cyprus, where it is quite a common surname, Jersey, and Luxembourg (explore the name in all countries). Measured by absolute frequency, it most frequently occurs in Germany, Brazil, and the United States. Very seldom, פטרי is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Petri, Petry, Petrie | Germany, Italy, Brazil, United States, United Kingdom |
| פטרי | Israel |
Ftry, Kepa, Pedro, Peer, Pehr, Per, Pere, Pero, Peru, Petelo, Peter, Peters, Petko, Petr, Petro, Petros, Petru, Petrus, Petter, Piero, Pierre, Piet, Pietro, Ptry, Père, П'Ер, Педро, Петер, Петерс, Петри, Петро, Петрус, Питерс, Питри, Пьер, Пэтэр, Пятро, פאר, פדרו, פטר, פטרוס, פיטרס, פייר, פר, פרו, بيتر, بيترز, بيير, パー, ピエロ, ピエール, ピーター, ピータース, ピーターズ, ペドロ, ペレ, ペロ, ペーター, 佩德罗, 佩特, 佩科, 彼得, 彼德, 皮埃爾, 皮尔, and 皮特