Keflavík Football Club is an Icelandic football team, commonly known as Keflavík. It is a subdivision of Keflavík ÍF, based in the town of Reykjanesbær in Iceland. They play at Nettó-völlur in Keflavík. Keflavík have played in the Icelandic football league since 1956. United played Keflavík in the UEFA Cup 1st round in 1975, winning 6-0 on aggregate.
|30/09/1975||UEFA Cup (1st Round 2nd Leg)||UEFA Cup||(H)||(H)||4 - 0||4 - 0||4,500|
|23/09/1975||UEFA Cup (1st Round 1st Leg)||UEFA Cup||(A)||(A)||2 - 0||2 - 0||3,540||X|