The 2015 North Queensland Cowboys season was the 21st in the club's history. Coached by Paul Green and co-captained by Johnathan Thurston and Matthew Scott, they competed in the NRL's 2015 Telstra Premiership. The Cowboys celebrated 20 years as a club in 2015 and played in the first all-Queensland grand final, defeating the Brisbane Broncos 17–16 in golden point to win their first premiership.