V12

V12 or V-12 may refer to:

Aircraft

 * Mil V-12, a Soviet heavy lift helicopter
 * Pilatus OV-12, a planned American military utility aircraft
 * Rockwell XFV-12, an American experimental aircraft project
 * Škoda-Kauba V12, a Czechoslovak experimental aircraft project
 * Vultee V-12, an American-designed bomber

Automobiles

 * Cadillac V-12, an American car
 * Lagonda V12, a British car

Other uses

 * V12 engine, an engine with twelve cylinders
 * Simpiwe Vetyeka (born 1980), South African boxer
 * V-12 Navy College Training Program, of the United States Navy during World War II
 * Victor V12, a calculator
 * V12, a grade in bouldering
 * V12, a personal history of certain other diseases, in the ICD-9 V codes