John Cusack (born 1966) is an American actor, producer, and screenwriter.

John Cusack can also refer to: John F. Cusack (1937–2014), American politician from Massachusetts John Cusack (Australian politician) (1868–1956), Australian politician John Cusack (hurler) (1925–2002), Irish hurler, active in the 1940s and 1950s John Bede Cusack, pseudonym John Beede, author, younger brother of Dymphna Cusack Johnny Cusack (1927–2020), Irish Gaelic footballer