G0, G0, G0, g0, or G-zero, may refer to:

Science G0 phase of cell division G0 star, a subclass of G-class stars Conductance quantum ("quantum of conductance"), notated G0 Geometric continuity, notated G0 Group 0, an alternate name for Group 18 of the Periodic table – the Noble gases G0, a hypothetical group in the Periodic table, which would consist of neutronium Standard gravity, notated g0

Other uses G0, abbreviation for ground zero G0, the name of the musical note G in octave 0 G-Zero world – the term used for the emerging power vacuum in international politics in the early 21st Century Ghana International Airlines, IATA airline designator G0 G0, a block of character codes in the Teletext character set

See also

0G (disambiguation) Go (disambiguation) Zero-G (disambiguation)