83rd

83rd may refer to:


 * 83rd Academy Awards, a ceremony that honored the best films of 2010 in the United States and took place on February 27, 2011
 * 83rd Grey Cup, the 1995 Canadian Football League championship game
 * 83rd meridian east, a line of longitude 83° east of Greenwich
 * 83rd meridian west, a line of longitude 83° west of Greenwich
 * 83rd parallel north, a circle of latitude that is 83° north of the Earth's equatorial plane, in the Arctic
 * 83rd Street (disambiguation)

Military units

 * 83rd Division (disambiguation), several units
 * 83rd Regiment (disambiguation), several units
 * 83rd Squadron (disambiguation), several units

Politics

 * 83rd Delaware General Assembly, a meeting of the Delaware Senate and the Delaware House of Representatives
 * 83rd United States Congress, a meeting of the United States Senate and the United States House of Representatives
 * List of United States senators in the 83rd Congress by seniority
 * Lindner Ethics Complaint of the 83rd Minnesota Legislative Session