Fourteenth is the ordinal form of the number 14 (number). Fourteenth or 14th may also refer to:

A fraction, , equal to one of 14 equal parts Fourteenth of the month, a recurring calendar date

Geography 14th meridian east, a line of longitude 14th meridian west, a line of longitude 14th parallel north, a circle of latitude 14th parallel south, a circle of latitude 14th Avenue (disambiguation) 14th Street (disambiguation)

Military Fourteenth Air Force Fourteenth Army (disambiguation) 14th Brigade (disambiguation) 14th Division (disambiguation) 14th Regiment (disambiguation) 14th Squadron (disambiguation)

Other uses Fourteenth Doctor Fourteenth (interval) 14th Amendment Fourteenth Amendment to the United States Constitution 14th century 14th century BC 14th (film), a 2026 American documentary film

See also 14 (disambiguation) Fourteener, a high peak in United States mountains Fourteener (poetry), a line of 14 syllables