Blue belt

Blue belt may refer to:


 * The Blue Belt, a Norwegian fairy tale
 * Blue Belt (Pittsburgh), the Allegheny County road belt system
 * Blue belt, a rank in martial arts (see Kyū)
 * Blue belt (Brazilian Jiu-Jitsu), a level in the Brazilian jiu-jitsu ranking system
 * Blue Belt Programme, a marine protection and sustainable management programme of the British Overseas Territories
 * Staten Island Bluebelt, a storm water management system