Cognomen Petróczi (Petróczi 
) , all around the world, is a very rare family name. The family name Petróczi is characteristic of Eastern Europe, particularly Hungary, where it is a rare surname. Much less frequently, Petróczi is the forename as well as the last name.
| karol petróczi SK (b. 1944) |
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| petróczi gábor Hungarian teacher, HU (b. 1955) |
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| petróczi andrás Hungarian criminal who was senteced to prison because he ordered to murder his mother, actress Ági Soproni by his friend, HU (b. 1979) |
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| andrea petróczi researcher |
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| viktória petróczi Hungarian handball goalkeeper, RO (b. 1983) |
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