Studs Lonigan is a novel trilogy by American author James T. Farrell: Young Lonigan (1932), The Young Manhood of Studs Lonigan (1934), and Judgment Day (1935). In 1998, the Modern Library ranked the Studs Lonigan trilogy 29th on its list of the 100 best English-language novels of the 20th century.

James Thomas Farrell was an American novelist, short-story writer and poet.