V12

V12 or V-12 usually refers to:

• V12 Design, an Italian computer company
• V12 engine, a twelve cylinder engine
• V-12 Navy College Training Program
• Mil V-12, the largest helicopter ever built
• Pilatus OV-12, a planned military version of the PC-6 STOL aircraft
• Rockwell XFV-12, a failed 1970s American V/STOL aircraft project
• Vultee V-12, a 1930s American attack aircraft