List of people with surname Cusack

Cusack is a surname. Notable people with the surname include:


 * Alex Cusack, Australian-born Irish cricketer.
 * Ann Cusack, American actress, daughter of Dick Cusack
 * Billy Cusack (born 1966), Scottish judoka
 * Carmen Cusack, American musical theater actress and singer
 * Catherine Cusack, Irish actress, daughter of Cyril Cusack
 * Catherine Cusack (politician), Australian politician
 * Cyril Cusack, Irish actor
 * Dick Cusack, American actor and filmmaker
 * Donal Óg Cusack, Irish hurler
 * Dymphna Cusack, Australian writer
 * Henry Edward Cusack, Irish locomotive Engineer
 * Joan Cusack, American actress, daughter of Dick Cusack
 * John Cusack, American actor and writer, son of Dick Cusack
 * John Cusack (Australian politician)
 * Joyce Cusack, American politician
 * Loretta Cusack (born 1963), British judoka
 * Maddy Cusack, English football player
 * Maggie Cusack, academic and head of Irish university
 * Mary Frances Cusack, Irish nun and writer
 * Michael Cusack (disambiguation), several people
 * Niamh Cusack, Irish actress, daughter of Cyril Cusack
 * Robert Cusack, Australian swimmer
 * Sinéad Cusack, Irish actress, daughter of Cyril Cusack
 * Sorcha Cusack, Irish actress, daughter of Cyril Cusack
 * Thomas Cusack (disambiguation), several people