| Club: | Hertha BSC |
| Season: | 2009–10 |
| Manager: | Lucien Favre sacked 28 September 2009 Friedhelm Funkel |
| Mgrtitle: | Manager |
| Chairman: | Werner Gegenbauer |
| Chrtitle: | President |
| League: | Bundesliga |
| League Result: | 18th (relegated) |
| Cup1: | DFB-Pokal |
| Cup1 Result: | Second round |
| Cup2: | UEFA Europa League |
| Cup2 Result: | Round of 32 |
| League Topscorer: | Adrián Ramos (10 goals) |
| Season Topscorer: | Adrián Ramos (11 goals) |
| Highest Attendance: | 75,420 (v. Bayern Munich) |
| Lowest Attendance: | 8,000 (v. Ventspils) |
| Prevseason: | 2008–09 |
| Nextseason: | 2010–11 |
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The 2009–10 season Hertha BSC season began on 1 August 2009 with a DFB-Pokal match against Preußen Münster and ended on 8 May 2010, the last matchday of the Bundesliga, with a match against Bayern Munich. Hertha was eliminated in the second round of the DFB-Pokal by 1860 Munich, and in round of 32 in the Europa League by Benfica. The club finished in 18th and last place in the Bundesliga and was subsequently relegated.
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Appearances from 1 July 2009 – 30 June 2010 are included.
| Player | Position | Country | Caps (Goals) | Caps this season | |
|---|---|---|---|---|---|
| Levan Kobiashvili | DF | 88 (10) | vs., vs., vs., vs. | ||
| Arne Friedrich | DF | 76 (0) | vs., vs., vs., vs., vs., vs., vs., vs., vs., vs. | ||
| Pál Dárdai | MF | 61 (5) | vs., vs., vs., vs. | ||
| Theofanis Gekas | FW | 49 (20) | vs., vs., vs., vs., vs, vs., vs., vs., vs., vs., vs. | ||
| Gojko Kačar | MF | 18 (0) | vs., vs., vs., vs., vs., vs., vs., vs., vs. | ||
| Steve von Bergen | DF | 14 (0) | vs., vs., vs., vs., vs.,, vs. vs., vs. | ||
| Valeri Domovchiyski | FW | 9 (1) | vs., vs., vs vs | ||
| Roman Hubník | DF | 7 (1) | vs., vs., vs., vs., vs., vs. | ||
| Adrián Ramos | FW | 7 (1) | vs., vs., vs., vs. | ||
| Maximilian Nicu | MF | 3 (0) | vs., vs. | ||
| Jaroslav Drobný | GK | 3 (0) | vs., vs. |