Rx

RX is the telegraph and radio abbreviation for "receive" or "receiver".

Rx, RX, or rx may also refer to:

• ℞, medical prescriptions
• Rx, the symbol used to describe apparent retrograde motion of planets
• rx, an abbreviation for a chemical reaction
• Rx, IATA code for Aviaexpress, a Hungarian airline

Aeronautica

• Rocket eXperimental, an Indonesian Rocket Experimental

Computing and electronics

• Rx meters, a term used in electrical engineering
• Rx bridge, a device for measuring the efficiency of antenna system
• rx, the RPC mechanism used by the Andrew File System
• The Renesas Electronics RX microcontroller family

Entertainment and arts

• Rx (band), an industrial band formed by Nivek Ogre and Martin Atkins
• Rx (film), a 2005 film about drug trafficking
• ℞ or Rx, a novel by Elizabeth J. Braswell published under the pseudonym Tracy Lynn

Vehicles

• Lexus RX, a 1997 luxury crossover SUV
• Mazda RX, a series of sport cars
• RX, an abbreviation for rallycross
• RX, the registration code for fishing boats registered in Rye, East Sussex, used by the Rye and Hastings fishing fleets