The 2017–18 season was Blackburn Rovers' 130th season as a professional football club and its first playing in the League One following its relegation from the Championship the previous season. Along with competing in the League One, the club also participated in the FA Cup, EFL Cup and EFL Trophy. Thanks to a 0–1 win against Doncaster Rovers on 24 April, Blackburn were promoted to the Championship. The season covers the period from 1 July 2017 to 30 June 2018.