G0

G0 has several uses:
* G0 phase of cell division
* G0 star, a subclass of G-class stars
* Concord EyeQ G0 camera
* Ghana International Airlines IATA airline designator
* Ground zero, sometimes used as an abbreviation to refer to the World Trade Center site of the 9/11 attacks
* Group 0 of the periodic table, hypothetically consisting of neutronium
* Nintendo G0, a rumored name for Nintendo's Wii console
* Geometric continuity, notated G⁰