SR50

SR50 may refer to:


 * Aprilia SR50, an Italian built scooter
 * Simson SR50, an east-German built scooter; see Simson (company)
 * TI SR-50, a calculator
 * Knight's Armament Company (KAC) SR-50, a .50 caliber semi-automatic sniper rifle designed by Eugene Stoner
 * State Road 50 or State Route 50; see List of highways numbered 50