Interface may refer to:

in computer science:

• Interface (computer science), an abstraction of a software component.
• Interface (Java), an abstract type which is used to specify an interface that classes must implement
• Network interface, a point of interconnection between a terminal and a network or between two networks
• User interface, the aggregate of means by which people interact with a machine, device, computer program, or other complex tool
• Graphical user interface

in other fields:

• Interface (chemistry), a surface forming a boundary between two phases
• Interface (music group), an electronic music artist based in New York
• Interface (novel), a 1994 novel by Neal Stephenson and George Jewsbury
• "Interface" (TNG episode), a seventh season episode of Star Trek: The Next Generation
• Interface Inc., a carpet company focused on environmental sustainability
• Physical interface, a device for joining electric circuits together
• Interfaces: An International Journal of the Institute for Operations Research and the Management Sciences