2019–20 Rotherham United F.C. season

Rotherham United
2019–20 season
ChairmanTony Stewart
ManagerPaul Warne
StadiumNew York Stadium
League One2nd (promoted)
FA CupThird round
EFL CupSecond round
EFL TrophyGroup stage
Top goalscorerLeague: Freddie Ladapo (14)
All: Freddie Ladapo (17)

The 2019–20 season was Rotherham United's 95th season in their existence and the first back in the League One following relegation last season. The club also participated in the FA Cup, the EFL Cup and the EFL Trophy.