Dillinger, John, 1902-34, American bank robber, probably b. Indianapolis. Paroled after serving a prison term for attempted robbery, Dillinger organized a gang and terrorized the Midwest in 1933. He escaped jail twice, was held responsible for 16 killings, and was declared "public enemy number one" before he was shot (July, 1934) in a Chicago street by FBI agents.

Dillinger typically refers to the outlaw gangster of the Great Depression era, John Dillinger, a cultural icon of the outlaw archetype, and the subject of a number of film adaptations and tributes.

Dillinger may also refer to:

• Dillinger (1945 film), a film made about the life of the gangster John Dillinger
• Dillinger (1973 film), a film made about the life of the gangster John Dillinger
• Dillinger (1991 film), a film made about the life of the gangster John Dillinger
• Dillinger (musician), a reggae artist
• Dillenger (novel), a thriller by author Jack Higgins
• Wendy Dillinger, the Head Women's Soccer Coach at Washington University
• The Dillinger Escape Plan, a mathcore band
• Dillinger Four, a punk band
• Dillinja, a drum and bass music producer
• Dillinger, the name of the Tommy gun upgrade in The Godfather: The Game
• Daz Dillinger, a hip-hop producer and rapper
• Dillinger, "" Song writer/Producer hip hop/rock sound track credits Bad Boys "Boom Boom Boom" Volcano "Buck your head" Bullet Proof "I remember that night"
• Ed Dillinger, the villain in the 1982 Disney film Tron