title: SR1 (disambiguation)
text: # 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
  