48th is the ordinal form of the number 48. 48th or Forty-eighth may also refer to:
A fraction, , equal to one of 48 equal parts
Geography 48th meridian east, a line of longitude 48th meridian west, a line of longitude 48th parallel north, a circle of latitude 48th parallel south, a circle of latitude 48th Street (disambiguation)
Military 48th Army 48th Battalion (disambiguation) 48th Brigade (disambiguation) 48th Division (disambiguation) 48th Regiment (disambiguation) 48th Squadron (disambiguation)
Other 48th century 48th century BC
See also 48 (disambiguation) Forty-eighters (disambiguation)