Cognomen Ларчанка (Ларчанка 
) , all over the world, is a very rare family name. The family name Ларчанка is characteristic of Eastern Europe, particularly Russia, where it is a very rare surname.
| міхаіл рыгоравіч ларчанка Soviet specialist in literature and literary critic (1907-1981), BY (b. 1907) |
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| іван пятровіч ларчанка BY (b. 1914) |
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