313 (disambiguation)

313 is a year of the Julian calendar.

313 may also refer to:
 * 313 BC, a year of the pre-Julian Roman calendar
 * 313 (album), a 2006 album by Phideaux Xavier
 * Area code 313, a telephone code for Detroit in the North American Numbering Plan
 * British Rail Class 313, a type of train
 * 313 Chaldaea, a main-belt asteroid
 * Frame 313, part of the Zapruder film, showing the fatal shot to President Kennedy
 * 313, the name of Donald Duck's car in Disney comics