93rd is the ordinal form of the number 93. 93rd or Ninety-third may also refer to:
A fraction, , equal to one of 93 equal parts
Geography 93rd meridian east, a line of longitude 93rd meridian west, a line of longitude 93rd Street
Military 93rd Brigade (disambiguation) 93rd Division (disambiguation) 93rd Regiment (disambiguation)
Other 93rd century 93rd century BC
See also 93 (disambiguation) April 3, 93rd day of the year in a standard year