0G, 0-G may refer to:
0G (album), 2001, by Two-Mix 0G, or Zero Generation, the mobile telephony for Mobile radio telephone Zero gravity, an alternative term for weightlessness Zero game, a state in game theory where neither player has any legal options Zero grade, a type of Indo-European ablaut Zero group, a type of mathematical trivial group Zero Gravity Corporation
See also
Zero-G (disambiguation) OG (disambiguation) G0 (disambiguation)