145th is the ordinal form of the number 145. 145th or One hundred and forty-fifth may also refer to:

A fraction, , equal to one of 145 equal parts

Geography 145th meridian east, a line of longitude 145th meridian west, a line of longitude 145th Street (disambiguation)

Military 145th Brigade (disambiguation) 145th Division (disambiguation) 145th Regiment (disambiguation)

See also

May 25, 145th day of the year in a standard year