CR2

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