Digi may refer to:
- Short for "digital" as in digicam, digiscale, digiscrap, digibee
- Didgeridoo an Indigenous Australian wind instrument
- Digi International, an American electronics manufacturer
- Digi.no, a Norwegian online newspaper
- DiGi Telecommunications, a Malaysian telecommunications company
- Digitiser a former video games magazine broadcast on the Teletext service on Channel 4 in the United Kingdom