Diamond Lil, or "Diamond Tooth Lil", was an early 20th century American popular icon of wealth and libertine burlesque.
Diamond Lil may also refer to: Diamond Lil (play), a 1928 Mae West play Diamond Lil (Marvel Comics), a fictional mutant in Marvel Comics' Alpha Flight series Diamond Lil (GoComics), a comic strip published by GoComics and created by Brett Koth Katie Glass, a little person professional wrestler who used the ring name Diamond Lil Diamond Lil', the name of a Consolidated B-24 Liberator bomber of World War II "Diamond Lil", a song by American guitarist and songwriter David Bromberg