Arnarson is a surname. Notable people with the surname include:

  • Ingólfr Arnarson (c. 849–c. 910), first permanent Nordic settler of Iceland
  • Örn Arnarson (born 1981), Icelandic swimmer
  • Ottó P. Arnarson, member of Týr (band), a folk metal band from the Faroe Islands
  • Björgvin Arnarson (born 2005), actor

See also

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