Jack Anthony Holden is a fictional character from the Australian soap opera Home and Away, played by Paul O'Brien. He made his first on-screen appearance on 5 August 2005. Jack was a police officer. The Holden family — Jack, his father Tony and his brother Lucas arrived in Summer Bay in 2005. In November 2008, the season finale, Jack was accidentally shot in the chest at a construction site by fellow police officer, Angelo Rosetta. In the first episode of the 2009 season, it was revealed that Jack had died after paramedics failed to revive him at the scene. Paul O'Brien decided to leave the series in 2008 and Jack made his last appearance in the second episode into 2009.

Paul O'Brien is a South African-Australian actor, known for his role as Jack Holden in the television soap opera Home and Away, for which he won the Logie Award for Most Popular New Male Talent in 2006.