OSX (disambiguation)
# OSX (disambiguation)

OS X is a former name of Apple's operating system macOS.

OSX or OS X may also refer to:

* DC/OSx, 1980s-era Unix operating system by Pyramid Technology
* Old Saxon (ISO 639-3 language code), an early form of Low German
* OSX, a Brazilian shipbuilding company, part of the EBX Group
* OS-X series, a series of sounding rockets built by OneSpace
