Bloody Jack may refer to: "Bloody Jack", the nickname of 19th century Māori chief Tūhawaiki. Bloody Jack (poetry), a book of poetry by Dennis Cooley. Bloody Jack (novel), a young adult book written by L.A. Meyer. "Bloody Jack", a song by Serge Gainsbourg from his 1968 album Gainsbourg & Brigitte Bardot: Initials B.B..