R23 or R-23 may refer to:
Military
- R-23 (missile), a Soviet air-to-air missile
- HMS Teazer (R23), a destroyer of the Royal Navy
- Rikhter R-23, a Soviet aircraft autocannon
- USS R-23 (SS-100), a submarine of the United States Navy
Roads
Other uses
- R23: Toxic by inhalation, a risk phrase
- Fluoroform, a refrigerant
- Kwambi dialect
- Renault R23, a Formule One racing car
- Rubik R-23 Gébics, a Hungarian training glider
Topics referred to by the same termThis disambiguation page lists articles associated with the same title formed as a letter–number combination.If an internal link led you here, you may wish to change the link to point directly to the intended article. Category: