70th is the ordinal form of the number 70. 70th or Seventieth may also refer to:
A fraction, , equal to one of 70 equal parts
Geography 70th meridian east, a line of longitude 70th meridian west, a line of longitude 70th parallel north, a circle of latitude 70th parallel south, a circle of latitude 70th Street (disambiguation)
Military 70th Army (Soviet Union) 70th Brigade (disambiguation) 70th Division (disambiguation) 70th Squadron (disambiguation)
Other 70th century 70th century BC
See also 70 (disambiguation)