The 2015–16 Barnet F.C. season was the team's 128th year in existence, and their first back in League Two since the 2012–13 season, after gaining promotion in the 2014-15 season. Along with competing in League Two, the club also participated in the FA Cup, League Cup and Football League Trophy. The season covers the period from 1 July 2015 to 30 June 2016.