3/12 may refer to: March 12 (month-day date notation) 1993 Bombay bombings, 12 March 1993 terrorist attacks in Bombay, India by the D-Company mafia December 3 (day-month date notation) 3rd Battalion, 12th Marines, an artillery battalion of the United States Marine Corps
See also 12/3 (disambiguation) 312 (disambiguation)