52nd is the ordinal form of the number 52. 52nd or Fifty-second may also refer to:

A fraction, , equal to one of 52 equal parts

Geography 52nd meridian east, a line of longitude 52nd meridian west, a line of longitude 52nd parallel north, a circle of latitude 52nd parallel south, a circle of latitude 52nd Street (disambiguation)

Military 52nd Brigade (disambiguation) 52nd Division (disambiguation) 52nd Regiment (disambiguation) 52nd Squadron (disambiguation)

Other 52nd century 52nd century BC

See also 52 (disambiguation)