Haagen is a surname of Dutch, Danish, Scandinavian and Germanic origin.
The Danish and Scandinavian origin is from the Old Norse personal name Hákon, probably a compound of hár ‘high’ or a word meaning ‘horse’ + kyn ‘family’ or konr ‘son descendant’. The German origin is a variant of Haag or Haage.
Notable people Margarete Haagen (1889–1966), German actress Arie Jan Haagen-Smit (1900–1977), Dutch chemist Søren Haagen (1974-), Danish handballer
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