2016–17 Cardiff City F.C. season

The 2016–17 season will be Cardiff City's 118th season in their existence and the 89th in the Football League. Along with competing in the Championship, the club will also participate in the FA Cup and League Cup. It will be Paul Trollope's first season in charge since replacing Russell Slade as head coach. Trollope was sacked on 5 October, whilst Cardiff were in the relegation zone, their lowest position in 11 years, and was replaced with Neil Warnock. The season covers the period from 1 July 2016 to 30 June 2017.