Rx (disambiguation)
- AMD Radeon 400 series
- Andrew File System
- Elizabeth J. Braswell
- Galantis
- Kamen Rider Black RX
- Lexus RX
- Mazda RX
- Monster RX 93.1
- Prescribed burn
- RELX
- RS-232
- RX meter
- RX microcontroller family
- Rallycross
- Reactive extensions
- Regent Airways
- Retinal homeobox protein Rx
- Riyadh Air
- Roket Eksperimental
- Rx (Medicate)
- Rx (band)
- Rx (film)
- Rx bridge
- Ryan Beaver
- Rye, East Sussex
- South Australian Railways R class
- Yamaha RX 100