Krudttønden (meaning "The powder keg") is a café and local cultural centre at Østerfælled Torv in the Østerbro district of Copenhagen, Denmark. Krudttønden is used for a wide array of cultural events, including theatre, concerts, debates, exhibitions and receptions.
Krudttønden was established in connection with the redevelopment of the former Østerfælled Barracks into a mixed-use development. It was established in 1990 by the Municipality of Copenhagen at the request of local artists and volunteers. The building is a former stables. It has later been expanded with a modern building.
On 14 February 2015, the cafe was the site of a shooting attack that killed the 55-year-old film director Finn Nørgaard and wounded three police officers.
Coordinates: 55°42′19″N 12°34′29″E / 55.7053°N 12.5746°E