Lorenz Milton Hart was an American lyricist and half of the Broadway songwriting team Rodgers and Hart. Some of his more famous lyrics include "Blue Moon"; "The Lady Is a Tramp"; "Manhattan"; "Bewitched, Bothered and Bewildered"; and "My Funny Valentine".

Rodgers and Hart were an American songwriting partnership between composer Richard Rodgers (1902–1979) and the lyricist Lorenz Hart (1895–1943). They worked together on 28 stage musicals and more than 500 songs from 1919 until Hart's death in 1943.