Knattspyrnufélagið KR, commonly known as KR, is a professional football club based in Reykjavík, Iceland. Founded in 1899, it is one of the oldest and most successful football clubs in the country. KR competes in the Úrvalsdeild, the top tier of Icelandic football, and has won numerous national championships. The club's home matches are played at KR-völlur, a stadium located in Reykjavík. KR is known for its strong youth academy, which has produced many talented players who have gone on to represent both the club and the national team. The team's colors are blue and white.