143rd is the ordinal form of the number 143. 143rd or One hundred and forty-third may also refer to:
A fraction, , equal to one of 143 equal parts
Geography 143rd meridian east, a line of longitude 143rd meridian west, a line of longitude
Military 143rd Brigade (disambiguation) 143rd Division (disambiguation) 143rd Regiment (disambiguation)
See also
May 23, 143rd day of the year in a standard year