The 4th Helpmann Awards ceremony was presented by the Australian Entertainment Industry Association (AEIA) (currently known by its trade name, Live Performance Australia (LPA)), for achievements in disciplines of Australia's live performance sectors. The ceremony took place on 9 August 2004 at the Lyric Theatre. During the ceremony, the AEIA handed out awards in 35 categories for achievements in theatre, musicals, opera, ballet, dance and concerts.
In the following tables, winners are listed first and highlighted in boldface.