Herbert Asbury (1889-1963) was an American journalist and writer who is best known for his books detailing crime during the 19th and early 20th century such as Gem of the Prairie: An Informal History of the Chicago Underworld, The Barbary Coast: An Informal History of the San Francisco Underworld and The Gangs of New York, the latter of which was adapted for film as Martin Scorsese's Gangs of New York in 2002.