2021–22 3. Liga
| Season | 2021–22 |
|---|---|
| Dates | 24 July 2021 – 14 May 2022 |
| Champions | 1. FC Magdeburg |
| Promoted | 1. FC Magdeburg Eintracht Braunschweig 1. FC Kaiserslautern |
| Relegated | Viktoria Berlin Würzburger Kickers TSV Havelse Türkgücü München |
| Matches played | 373 |
| Goals scored | 951 (2.55 per match) |
| Top goalscorer | Marcel Bär (21 goals) |
| Biggest home win | Zwickau 7–0 Würzburg Mannheim 7–0 Havelse |
| Biggest away win | Havelse 0–6 Kaiserslautern Berlin 0–6 Braunschweig Duisburg 0–6 1860 Munich |
| Highest scoring | Duisburg 3–6 Osnabrück Verl 4–5 Magdeburg 1860 Munich 6–3 Dortmund |
| Longest winning run | 4 games Kaiserslautern Magdeburg Meppen 1860 Munich Saarbrücken |
| Longest unbeaten run | 16 games Magdeburg |
| Longest winless run | 12 games Würzburg |
| Longest losing run | 6 games Havelse |
| Attendance | 2,093,273 (5,612 per match) |
← 2020–21 2022–23 → | |
The 2021–22 3. Liga was the 14th season of the 3. Liga. It was originally scheduled to start on 23 July 2021 and concluded on 14 May 2022; however, the opening match between VfL Osnabrück and MSV Duisburg had to be postponed after Duisburg was quarantined due to COVID-19 cases, delaying the season start by one day.
From this season onward, the German Football Association will allow clubs to place a sponsor logo on the back of their shirts.
The league fixtures were announced on 1 July 2021.