Star Trek was the code name given to a prototype project at Apple Computer during 1992 and 1993. Star Trek was to be a version of the Macintosh operating system which ran on Intel-compatible x86 personal computers (at that time, the Mac OS ran only on Apple's own computers based on the Motorola 68000 architecture). The project's slogan was "To boldly go where no Mac has gone before."

The developers eventually reached a point where they could boot an Intel 486 PC (with very specific hardware) into System 7, and on-screen it was indistinguishable from a Mac. However, every program needed to be ported to the new x86 architecture in order to run. Supposedly programs could be ported with little effort because Apple developed equivalent headers for x86.

The project was a joint development with Novell (although Apple provided the majority of engineers). Novell at the time was one the leaders of cross-platform file-servers, and the plan was that Novell would market the resulting OS as a challenge to Microsoft Windows. However, the project was cancelled in mid-1993 because of political infighting, personnel issues, and the questionable marketability of such a project.