Vain

Vain may refer to:


 * Vain (band), an American glam metal band formed in 1986
 * Vain (horse) (1966–1991), an Australian Thoroughbred racehorse
 * Vain Stakes, an Australian Thoroughbred horse race
 * Vaginal intraepithelial neoplasia, a medical disorder
 * Edvard August Vainio (1853–1929), taxonomic author abbreviation Vain., Finnish lichenologist
 * Vanity Vain, Swedish drag queen
 * Vain, a fictional creature in The Chronicles of Thomas Covenant by Stephen Donaldson
 * Vain London, Fashion house based in London by American designer Quaivaughn Jackson in 2023