SRX could be any of the following:
- The Singapore Real Estate Exchange
- The Cadillac SRX.
- The Yamaha SRX series of cafe racer inspired motorcycles.
- The SRX ( SR388) zone in the Metroid Fusion video game.
- Juniper Networks Flagship Network Security Product
- Speed and Range eXpansion Multiple-input multiple-output communications Wi-Fi extension by Linksys
- SRX is a series of expansion boards for Roland's keyboards.
- SRX is a series of basses made by Ibanez.
- Segmentation Rules eXchange standard
- Super Robot eXperimental type, a fictional robot from the Super Robot Wars franchise.