SR1 (disambiguation)

SR1 may refer to:

Science and mathematics

 * SR1 RNA, a small RNA produced by bacteria
 * SR1, a candidate phylum of bacteria more commonly called Absconditabacteria
 * Symmetric rank-one, a mathematical algorithm

Products and technology

 * HDR-SR1, a Sony camcorder
 * Peugeot SR1, a hybrid concept car
 * Radical SR1, a sports car
 * Vintage Ultralight SR-1 Hornet, an American homebuilt aircraft
 * VR Class Sr1, a class of Finnish electric locomotives
 * VSR SR-1 Snoshoo, an American Formula One racing aircraft design
 * Six Chuter SR1, an American powered parachute design
 * SR1, a FIA Sportscar Championship classification
 * SR1, a 4-stroke Yamaha motorcycle
 * SR.1, a semi-rigid airship built in 1918 for the British navy
 * SR-1 Vektor, a Russian pistol

Media

 * Saints Row (2006 video game)
 * SR1 Europawelle, radio programming by Saarländischer Rundfunk (Saarland Broadcasting)

Other

 * SR1, a spelling reform proposal
 * State Route or State Road 1; see List of highways numbered 1