SGX may refer to:
- Singapore Exchange, the securities and derivatives exchange of Singapore.
- Sino Gold, an Australian mining company, listed on the Australian Stock Exchange under the ticker symbol SGX.
- IATA airport code for Songea Airport
- PowerVR SGX, one of the PowerVR chipsets.
- Software Guard Extensions (SGX), security extensions for Intel microprocessors.1
- SuperGrafx, a video game console.