Knattspyrnufélag Reykjavíkur, 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 the capital. KR has a strong youth academy and is known for developing local talent. The team's colors are blue and white, and they have a passionate fan base that supports them during matches.