Jason Demetriou is an Australian professional rugby league coach and former player, currently serving as the head coach of the Papua New Guinea national team. He was previously the head coach of the South Sydney Rabbitohs in the National Rugby League (NRL), having taken over the role in 2022 following the departure of Wayne Bennett. As a player, Demetriou had a diverse career across clubs in Australia and the UK, known for his versatility and leadership on the field. Transitioning into coaching, he held several assistant roles before advancing to head coach positions, earning respect for his tactical acumen and development-focused approach.