Justin Holbrook

Nationality

Australia

Born

1976-01-13

Justin Holbrook (born 13 January 1976) is the Australian professional rugby league coach of the Newcastle Knights in the National Rugby League (NRL), and a former player. He previously coached St Helens in the Super League, the Gold Coast Titans in the NRL, and Papua New Guinea. He was an assistant coach of the Sydney Roosters until joining Newcastle in September of 2025. He played as a goal-kicking halfback in the 1990s and 2000s for the Newcastle Knights, Penrith Panthers and the Sydney Roosters in the NRL.