User interface, the aggregate of means by which people interact with a machine, device, computer program, or other complex tool

Graphical user interface

Interface (Java), an abstract type which is used to specify an interface that classes must implement

Interface (computer science), an abstraction of a software component

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

Interface (chemistry), a surface forming a boundary between two phases

Network interface, a point of interconnection between a terminal and a network or between two networks