AR7

AR7, AR 7, or AR-7 may refer to:


 * ArmaLite AR-7, a .22 caliber semi-automatic survival rifle
 * Arkansas Highway 7 (AR 7) is a north–south state highway that runs across the state.
 * Arkansas's 7th congressional district, an obsolete district
 * Texas Instruments AR7 is a fully integrated single-chip ADSL CPE access router solution.
 * Thyroid hormone receptor alpha (AR7), a nuclear receptor protein
 * USS Hector (AR-7), a repair ship of the US Navy
 * AR-7 Radio Receiver, an Australian Second World War-era communications receiver similar to the National HRO, developed by the Kingsley radio company. Also known as the Kingsley K/CR/11.