Nyköpings BIS is a Swedish football club located in Nyköping. The club started out as a merger in 1966 between Nyköpings SK and Nyköpings AIK. Since their foundation Nyköpings BIS has participated mainly in the middle divisions of the Swedish football league system in particular Divisions 2 and 3.During the period 1971 until 1980 and again in 1984 Nyköpings BIS played in Division 2 which at that time was the second tier of Swedish football.