G27

G27 may refer to:


 * BRAZILIAN TANKER Marajó, a tanker of the Brazilian Navy
 * Gribovsky G-27, a Soviet aircraft
 * Glock 27, an Austrian pistol
 * Logitech G27, a racing wheel
 * Heckler & Koch G27, a German battle rifle
 * HMS Leeds (G27), a Caldwell-class destroyer of the Royal Navy