312 (disambiguation)

312 may refer to:

• The year 312 AD
• The year 312 BC
• The number 312
• China National Highway 312 (312国道), known as The Mother Road, a key east–west route running 4,967 km (3,086 mi) from Shanghai on the East China Sea to the western Chinese border with Kazakhstan in Central Asia.
• One of several Ferrari racing cars with 3 litre 12-cylinder engines:
  • The 312, 312B and 312T Formula One cars
  • The 312P and 312PB sportscar prototype class cars
• The British Rail Class 312 EMU
• The USS Young (DD-312) destroyer
• The Chicago Loop area code 312.
• 312 Urban Wheat, a beer brewed by the Chicago-based Goose Island Brewery