Sankt Nikolai kyrka (Saint Nicolaus Church), most commonly known as Storkyrkan (The Great Church) is the oldest church in Gamla Stan, the old town in central Stockholm, Sweden. It is an important example of Swedish Brick Gothic. Situated next to the Royal Palace, it forms the western end of Slottsbacken, the major approach to the Royal Palace, while the streets Storkyrkobrinken, Högvaktsterrassen, and Trångsund passes north and west of it respectively. South of the church is the Stockholm Stock Exchange Building facing the Stortorget square and containing the Swedish Academy, Nobel Library, and Nobel Museum.

In this church the crownprincess Victoria Bernadotte and Daniel Westling will have their weddingceremony.

The wedding date has been set for 19 June 2010 - the 34th anniversary of her parents' wedding - in Stockholm Cathedral.