Rx

Rx or ℞ most commonly refers to a medical prescription.

RX, Rx, ℞, or rx may also refer to:

Arts and entertainment

 * ℞ or Rx, a novel by Elizabeth J. Braswell writing as Tracy Lynn
 * Rx (band), an industrial rock band
 * Rx, a 2016 album by Ryan Beaver
 * Rx, a 2024 album by Galantis
 * "Rx (Medicate)", a song by Canadian rock band Theory of a Deadman
 * "rX" (The Gifted), an episode of the television series The Gifted
 * Kamen Rider Black RX, a Japanese superhero television series
 * Rx (film), a 2005 romantic thriller film

Computing and electronics

 * Rx (receive, receiver or reception), in various telecommunications applications
 * Rx, the receive signal in the RS-232 serial communication standard
 * Rx, the remote procedure call mechanism used by the Andrew File System
 * Radeon RX series, a series of graphics products in the AMD Radeon 400 series
 * Reactive extensions, originally for .NET, later ported to other languages and environments
 * Rx bridge, a device for measuring the characteristic resistance and impedance of antenna or feedline system
 * RX meter, a term used in electrical engineering
 * RX microcontroller family, by Renesas Electronics

Vehicles

 * Lexus RX, a series of luxury crossover SUV
 * Mazda RX, a series of sport cars
 * South Australian Railways R class (Rx class locomotive), of the South Australian Railways
 * Yamaha RX 100, a 2-stroke Yamaha motorcycle

Other science and technology

 * Retinal homeobox protein Rx, a transcription factor in vertebrate eye development
 * Roket Eksperimental, an Indonesian experimental rocket series

Organisations

 * Regent Airways (former IATA code: RX), a former Bangladeshi airline
 * Riyadh Air (IATA code: RX), a Saudi airline
 * RX, formerly Reed Exhibitions, an exhibition company now part of RELX

Other uses

 * Prescribed burn (Rx burn), in forest management
 * Rallycross, a motor sport
 * Rye, East Sussex (fishing boat registrations: RX), UK
 * ℞, a numismatic abbreviation for reverse