Kastellet

Kastellet may refer to:

Denmark
 * Kastellet (Roskilde), a historic house
 * Kastellet, Copenhagen, a citadel

Norway
 * Kastellet tram stop, an Oslo Tramway station

Sweden
 * Kastellet, Stockholm, a citadel
 * Kastellet ferry, a passenger ferry in Stockholm
 * Kastellet, a citadel at the Karlskrona naval base UNESCO World Heritage Site