'''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)
{{Letter-Number Combination Disambiguation}}