SR 3

SR 3 may refer to:


 * SR-3 Vikhr, a Russian assault rifle
 * SR-3 Blackstar, the first stage of a reported American covert spaceplane program
 * Matich SR3, an Australian sports car
 * Radical SR3, an English sports car
 * Saints Row: The Third, a video game
 * Szekely SR-3, an aircraft engine
 * State Road 3 or State Route 3; see List of highways numbered 3
 * The third iteration of Solar Roadways' panels, and the first to be publicly installed
 * VR Class Sr3, a Finnish electric locomotive
 * SR3 (album), an album by K.O