Surname Петкявичюс (Петкявичюс 
, Petkevičius 
) , all over the world, is a rare cognomen. The cognomen Петкявичюс is habitual in Lithuania, where it is quite a rare surname, Russia, where it is an extremely rare surname, and the United Kingdom.
| VARIANT | COUNTRY |
|---|---|
| Петкявичюс | Russia |
| Petkevičius | United Kingdom, Lithuania |
Piatkevich, Piatkiewicz, Pietkiewicz, Pyatkevich, and Пяткевіч
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видас петкявичюс Lithuanian actor, LT (b. 1949) |
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| петкявичюс, юозас юозович Soviet politician, LT (b. 1924) |
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| петкявичюс, казис казио basketball player, LT (b. 1926) |
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| петкявичюс, витаутас казевич Lithuanian politician and author (1930-2008), LT (b. 1930) |
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| петкявичюс, наурис Lithuanian footballer, LT |
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