AR-1
# AR-1

AR-1 may refer to

* AR-1 (rocket engine)
* Arkansas's 1st congressional district
* Arkansas Highway 1
* An Acoustic Research corporation loudspeaker, famous as the first acoustic suspension speaker.
* The USS Medusa (AR-1), the first US Navy repair ship
* AR-1 (multiple rocket launcher)
* The AR-1 "Parasniper", a bolt-action rifle manufactured by ArmaLite
