G23

G23 may refer to:
 * G-23 (political group), a group of 23 Indian members of parliament
 * Glock 23, an Austrian handgun
 * Gribovsky G-23, a Soviet experimental aircraft
 * Grumman G-23, an American biplane
 * HMS Mahratta (G23), an M-class destroyer of the Royal Navy
 * Junkers G 23, a German monoplane
 * Shambala language, a Bantu language of Tanzania
 * BMW G23, a convertible version of the BMW 4 Series (G22)
 * HMS Dagger (G23), a Royal Navy Weapon-class destroyer scrapped prior to completion
 * G-23, an alternative name for the G20 developing nations
 * G23, type of Bi-pin lamp base