MOX might be a name or acronym for:
- Malaysian Oxygen Berhad - A Malaysian company that is specializes in providing total gas solutions.
- Mixed Oxide Fuel, from nuclear reprocessing
- An alien race in the TimeSplitters 2 video game, the Mox
- Certain cards in Magic: The Gathering: see Moxen.
- The quarterback played by James Vanderbeek in Varsity Blues (film).
- MOX is also an acronym of Mobitex Area Exchange, which is also a node in the internal Mobitex network.
- MoX is also an acronym of the multi title European game guild, The Malevolents of Xibalba. The letters MoX are often used by members of this guild as a tag when playing in games which don't allow for the full title to be included.