Knattspyrnufélagið Víkingur is an Icelandic sports club based in Reykjavík. It is most widely known for its football and handball teams.
The football club was founded in 1908 and won five Championship titles, five First Division titles and a single Cup title. The latest football title came in 1991, when they won the national championship. Accrediting national and cup titles in handball, amongst men and women, the club holds a total of 18 titles.
Víkingur operates several other sports divisions including tennis, table tennis, karate and skiing. All sports include both male and female teams.