Arnór Ingvi Traustason is an Icelandic professional footballer who plays for Swedish club IFK Norrköping as a midfielder.

Idrottsföreningen Kamraterna Norrköping, more commonly known as IFK Norrköping or simply Norrköping, is a Swedish professional football club based in Norrköping. The club is affiliated to Östergötlands Fotbollförbund and play their home games at Östgötaporten. The club colours, reflected in their crest and kit, are white and blue. Formed on 29 May 1897, the club have won thirteen national championship titles and six national cup titles.