Nykøbing Sjælland railway station is the main railway station serving the town of Nykøbing Sjælland on the Odsherred peninsula in northwestern Zealand, Denmark.

Nykøbing, often referred to as Nykøbing Sjælland or Nykøbing Sj to distinguish it from Nykøbing F and Nykøbing M, is a seaside town in Denmark, located in Odsherred on the northwestern part of Zealand. Located on the Isefjord, it has a population of 5,049. It is located in Odsherred municipality which is part of Region Sjælland. The town is a popular seaside resort.