158th is the ordinal form of the number 158. 158th or One hundred and fifty-eighth may also refer to:

A fraction, , equal to one of 158 equal parts

Geography 158th meridian east, a line of longitude 158th meridian west, a line of longitude

Military 158th Brigade (disambiguation) 158th Division (disambiguation) 158th Regiment (disambiguation)

See also

June 7, 158th day of the year in a standard year