2009–10 2. Bundesliga
| Season | 2009–10 | 
|---|---|
| Champions | 1. FC Kaiserslautern | 
| Promoted | 1. FC Kaiserslautern FC St. Pauli  | 
| Relegated | Hansa Rostock (via play-off) TuS Koblenz Rot Weiss Ahlen  | 
| Matches played | 306 | 
| Goals scored | 808 (2.64 per match) | 
| Top goalscorer | Michael Thurk (23 goals) | 
| Biggest home win | St. Pauli 6–1 Koblenz Duisburg 5–0 FSV Frankfurt  | 
| Biggest away win | Aachen 0–5 St. Pauli FSV Frankfurt 0–5 Greuther Fürth  | 
| Highest scoring | Union Berlin 5–4 Paderborn Greuther Fürth 4–5 Augsburg  | 
← 2008–09  2010–11 →   | |
The 2009–10 2. Bundesliga was the 36th season of the 2. Bundesliga, the second tier of Germany's football league. The season began on 7 August 2009 and ended on 9 May 2010. A winter break was held between 21 December 2009 and 14 January 2010, though the period has been reduced from six to three weeks.