Throughout the world, Петерис (Peteris 
, Pēteris , Петерис 
) is quite a rare masculine first name. The first name Петерис is habitual in Latvia, where it is quite a common masculine name, the United Kingdom, where it is a very rare male name, and Russia. In absolute terms, it most frequently occurs in Latvia, Russia, and the United States. Much less frequently, Петерис is the last name as well as the forename.
| VARIANT | COUNTRY |
|---|---|
| Peteris | United Kingdom, Germany, Latvia, United States, Ireland |
| Pēteris | Latvia, Germany, United States, United Kingdom |
| Петерис | Kazakhstan, Ukraine, Russia |
Bedros, Kepa, Peder, Pedro, Pedru, Peer, Peeter, Peetu, Pehr, Per, Pere, Pero, Peru, Petar, Petelo, Peter, Peters, Petko, Petr, Petras, Petri, Petro, Petros, Petru, Petrus, Petter, Petteri, Petur, Piatro, Piero, Pierre, Piet, Pietari, Pieter, Pietro, Piotr, Piters, Pjeter, Pjetur, Pjetër, Pjotr, Pyotr, Péter, Pétur, Πέτρος, Πέτρου, Πετρος, П'Ер, П'Єр, Педер,
| йозуус, петерис пауль Latvian musician, LV (b. 1873) |
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| петерис радзиньш LV (b. 1880) |
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| петерис свирис Latvian writer, RU (b. 1891) |
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| петерис шадурскис Latvian lawyer and politician (1893-1965), LV (b. 1893) |
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петерис васкс Latvian composer, LV (b. 1946) |
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| лапайнис, петерис Latvian officer (1897-1990), LV (b. 1897) |
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| валескалнс, петерис Latvian politician, LV (b. 1899) |
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| барисонс, петерис Latvian composer and conductor, LV (b. 1904) |
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вайварс, петерис Latvian diplomat, LV (b. 1963) |
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| зелтыньш, петерис индрикович Olympic track and field athlete, LV (b. 1914) |
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| кампенусс, петерис Latvian chess player (1917-1993), LV (b. 1917) |
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| петерсонс, петерис playwright (1923-1998), LV (b. 1923) |
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петерис кветковскис LV (b. 1973) |
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| крыловс, петерис Soviet film director, LV (b. 1949) |
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Зелч, Гетофте, Поцис, Зельч, Спуль, Юодис, Лаучкаловчко, Скудра, Глаудинь, Тутиньш, Каукулис, Валайнис, Лаучка-Ловчко, Смилгайнис, and Цепурнойс