St.-Nikolaus-Kirche, Modern church in Wittenau, Berlin, Germany.

St. Nikolaus-Kirche is a free-standing hall church on a polygonal plan, built in 1960–61 by Heinz Völker and Rolf Grosse. Its reinforced-concrete frame forms six bays, with zigzag side walls alternating red-brown clinker panels and full-height grid windows of dark-tinted glass. A pergola links it to a 36-metre hexagonal campanile of grey fair-faced concrete, and a stepped range of bays houses the confessional chapel.

The parish began in 1928 as a curacy of St. Marien in Reinickendorf, served by Augustinian monks from Würzburg; services were held in the chapel of the St. Josef children's home until 1946, then in a labour-service barracks used as an emergency church. The site at Spießweg was bought in 1958, the foundation stone laid on 19 June 1960, and the church by Heinz Völker and Rolf Grosse consecrated on 29 April 1961, reviving the old Nikolai patronage of Dalldorf, Wittenau's name until 1905.

The congregation holds services in German and Spanish, making the space a gathering place for different communities in the district. Regular meetings bring together people from surrounding neighborhoods who share the church as part of their weekly routine.

The building sits between S-Bahn and U-Bahn stations near Techowpromenade and Spießweg intersection. Regular Sunday services are open to visitors who want to experience the space.

The organ now in St. Nikolaus was built by Johannes Rohlf in 1973–74 for Peter Poelzig's Lutherkirche in Reinickendorf and moved here on permanent loan between late November 2005 and January 2006. Its facade follows the Kuhn organ of 1972 in the Winterthur conservatory hall, and its mechanical action suits Baroque works.