Millie Boyle (born 19 May 1998) is an Australian professional rugby league footballer who currently co-captains the Newcastle Knights in the NRL Women's Premiership. Her position is prop. Boyle previously played rugby union as a flanker. She is a dual-code international, having played for both the Australian Jillaroos and Australian Wallaroos. She won two premierships with the Brisbane Broncos in the NRLW.