Neuwerk may refer to:
- Neuwerk, a tidal island in the Wadden Sea on the German North Sea coast
- Great Tower Neuwerk or new work, a watchtower built 1310 on the island Neuwerk
- Neuwerk, a quarter of Hamburg, Germany containing the island Neuwerk
- Neuwerk, a quarter of Oberharz am Brocken, Germany
- Neuwerk, a former quarter of Mönchengladbach, Germany
- Neuwerk-Mitte, a quarter of the borough Mönchengladbach-East
- Neuwerker Donk or Neuwerk-Donk, a village in the quarter Bettrath-Hoven, Mönchengladbach, Germany
- Neuwerk convent, a monastery in Mönchengladbach
- Neuwerk, a monastery at Halle, Germany
- Neuwerk, a German ship
- Neuwerk Church, a church in Erfurt, Germany
- Neuwerk Church, a church in Goslar, Germany
- Neuwerk, a Christian youth movement (1919–1935) in Germany
- Das Neue Werk or Der Christliche Demokrat, a Christian weekly German newspaper (until 1935)
- Neuwerk garden or Gottorf Castle, a castle in Schleswig, Germany
- Bocșa, a town in southwestern Romania