SR1 (disambiguation)
# 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
