CR2 may refer to: CR2 battery, a dry-cell type battery commonly used in cameras CR2, a raw image format used by Canon digital cameras CR2, a postcode district in the CR postcode area CR2, a collaboration of the two DJS Mike van der Viven & Ramon Zenker, known for their house single I Believe CR2, a radio station in Hong Kong broadcast by CRHK Crossroads Mall (Mumbai), a mall in India Challenger 2, a British Main Battle Tank Celebrity Rehab 2, a reality television show CR2 (company), an Irish-based fintech company Camp Rock 2: The Final Jam, the sequel to the Disney Channel Original Movie Camp Rock Chromium (II) ions Bombardier CRJ100/200, the IATA code for the regional airliner. Aviation Park MRT station, Singapore, station code CR2 Biological/Medical terms Complement receptor 2, an immunological cell surface receptor for a complement component Conserved Region 2, the second conserved region in some proteins; see Braf See also 2CR (disambiguation) CRR (disambiguation) CR (disambiguation) CRCR (disambiguation)