2021–22 FC Ingolstadt 04 season

The 2021–22 season was FC Ingolstadt 04's 18th season in existence and the club's first season back in the 2. Bundesliga, the second tier of German football, following their promotion from the 3. Liga in the 2020–21 season. The club also participated in the DFB-Pokal.

Background and pre-season
Ingolstadt finished 3rd in the 2020–21 3. Liga, level on points with second-placed Hansa Rostock and losing out on automatic promotion as a result of their inferior goal difference, but they did qualify for the play-offs. They won the promotion play-offs 4–3 on aggregate against VfL Osnabrück and were promoted as a result.