Bjørndalen or Bjorndalen, sometimes Bjoerndalen is a surname. People with this name include:
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Dag Bjørndalen, Norwegian biathlete
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Ida Bjørndalen, Norwegian handball player
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Nathalie Santer-Bjørndalen, Italian biathlete
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Ole Einar Bjørndalen
Ole Einar Bjørndalen (; born 27 January 1974) is a retired Norwegian professional biathlete and coach, often referred to by the nickname, the "King of Biathlon". With 13 Winter Olympic Games medals, he is second on the list of multiple medali ...
, Norwegian biathlete
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