87th is the ordinal form of the number 87. 87th or Eighty-seventh may also refer to:
A fraction, , equal to one of 87 equal parts
Geography 87th meridian east, a line of longitude 87th meridian west, a line of longitude 87th parallel north, a circle of latitude 87th parallel south, a circle of latitude 87th Street (disambiguation)
Military 87th Brigade (disambiguation) 87th Division (disambiguation) 87th Regiment (disambiguation) 87th Squadron (disambiguation)
Other 87th century 87th century BC
See also 87 (disambiguation)