Avsenik is a Slovene surname. Notable people with the surname include:
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Slavko Avsenik
Slavko Avsenik (November 26, 1929 – July 2, 2015) was a Slovene composer and musician. Beginning in 1953 with the formation of the Avsenik Brothers Ensemble, Avsenik produced more than 1,000 songs and garnered success both in Slovenia and i ...
(1929–2015), Slovenian composer and musician
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Slavko Avsenik Jr. (born 1958), Slovenian composer and pianist, son of Slavko
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Slovene-language surnames