G.A.W.
guaranteed annual wage 年間保証賃金
G.B.E.
((英))Knight [Dame] Grand Cross of the British Empire 大英帝国一等勲爵士
G.C.D.
greatest common divisor
G.C.F.
greatest common factor
G.C.M.
greatest common measure 最大公約数
G.D.
Grand Duchess;Grand Duchy;Grand Duke
G.M.
games-master;General Manager;((英))George Medal
G20
Group of Twenty
G2B
government-to-business 行政と企業間の電子取引
G2G
⇒G to G