The 2014–15 season was Irish provincial rugby union side Connacht Rugby's fourteenth season competing in the Pro12, and the team's nineteenth season as a professional side. It was also Pat Lam's second season in charge of the side. As well as playing in the Pro12, Connacht competed in the newly established Rugby Challenge Cup, having played in the now-defunct Heineken Cup the previous season. The second-tier side, the Connacht Eagles, competed in the 2014–15 British and Irish Cup.