EDI may refer to:

• Efficient Drivetrains Inc.
• Electronic Data Interchange, a particular set of standards for computer-to-computer exchange of information
• EDI, Extended Destination Index (a register in the x86 microprocessor architecture)
• Edinburgh Airport, an airport with IATA code EDI
• Entrepreneurship Development Institute, a non-profit organisation in India
• Economic Development Institute, a previous name of the World Bank Institute
• E-Distribution Initiative, Sony's alternative publishing strategy for the Playstation 3 similar to Microsoft's Xbox Live Arcade

It may also mean:

• Electrodeionization, a water purification process
• Edge Directed Interpolation, an image upsampling algorithm
• Extreme Deep Invader, the official designation for the UCAV in the movie Stealth
• E.D.I. Mean American rap artist

See also

• Exotic Dance Industry
• Downer EDi, an Australian company
• Nielsen EDI, a daughter company of ACNielsen
• Education Development International EDI

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EDI: Electronic Data interrface