2005 Brisbane Broncos season

The 2005 Brisbane Broncos season was the eighteenth in the club's history, and they competed in the NRL's 2005 Telstra Premiership. Coached by Wayne Bennett and captained by Darren Lockyer, they finished the regular season 3rd (out of 15) despite ending the year with another long losing streak which continued into the play-offs and saw them knocked out once again.