| Player | Matches | Goals | Penalties | First match | Last match |
|---|---|---|---|---|---|
| Kehl, Jonas | 7 | 0 | 0 | 2017-09-08 | 2018-02-13 |
| Kegel, Maik | 2 | 0 | 0 | 2005-09-14 | 2005-09-18 |
| Kayaroglu, Muhammed | 3 | 0 | 0 | 2012-08-29 | 2012-09-02 |
| Käuper, Ole | 8 | 3 | 0 | 2013-09-11 | 2014-05-12 |
| Katterbach, Noah | 12 | 2 | 0 | 2017-09-08 | 2018-05-11 |
| Kasten, Lino | 4 | 0 | 0 | 2017-09-08 | 2018-02-13 |
| Karl, Lennart | 13 | 7 | 1 | 2024-09-04 | 2025-05-25 |
| Karkoschka, Adrian | 3 | 0 | 0 | 2005-03-26 | 2005-03-30 |
| Karius, Loris | 1 | 0 | 0 | 2009-09-19 | 2009-09-19 |
| Kargbo, Abu Bakarr | 11 | 0 | 0 | 2008-09-18 | 2009-10-27 |
| Karakas, Erdinc | 20 | 3 | 0 | 2014-09-10 | 2015-10-29 |
| Kammerbauer, Patrick | 11 | 0 | 0 | 2013-08-21 | 2014-05-15 |
| Kammerbauer, David | 3 | 0 | 0 | 2013-08-21 | 2013-11-14 |
| Kamarieh, Bilal | 2 | 0 | 0 | 2012-09-14 | 2012-09-17 |
| Kaltefleiter, Benno | 4 | 0 | 0 | 2025-09-05 | 2025-11-15 |
| Kade, Anton | 1 | 0 | 0 | 2020-10-09 | 2020-10-09 |
| Kacinoglu, Koray | 8 | 0 | 0 | 2010-09-15 | 2011-06-26 |
| Kachunga, Elias | 8 | 1 | 0 | 2008-10-14 | 2009-04-12 |
| Kabar, Almugera | 23 | 3 | 0 | 2022-09-22 | 2023-12-02 |
| Kaba, Mussa | 16 | 1 | 0 | 2024-09-04 | 2025-11-15 |
| Jungwirth, Florian | 11 | 0 | 0 | 2005-10-16 | 2006-05-11 |
| Junglas, Manuel | 2 | 0 | 0 | 2006-02-21 | 2006-02-23 |
| Johnson, Fabian | 3 | 0 | 0 | 2004-03-25 | 2004-03-29 |
| John, Marco | 8 | 1 | 0 | 2018-11-08 | 2019-05-07 |
| Jeltsch, Finn | 24 | 0 | 0 | 2022-09-24 | 2023-12-02 |
| Jastrzembski, Dennis | 16 | 4 | 0 | 2016-09-09 | 2017-10-16 |
| Jantschke, Tony | 14 | 0 | 0 | 2007-02-17 | 2007-08-26 |
| Jansen, Eric | 1 | 0 | 0 | 2016-09-28 | 2016-09-28 |
| Janitzek, Justin | 1 | 0 | 0 | 2020-10-09 | 2020-10-09 |
| Janelt, Vitaly | 16 | 4 | 0 | 2014-08-19 | 2015-10-29 |
| Jais, Daniel | 2 | 0 | 0 | 2009-11-18 | 2009-11-21 |
| Jahn, Tilmann | 1 | 0 | 0 | 2015-10-24 | 2015-10-24 |
| Jäger, Marvin | 1 | 0 | 0 | 2012-11-08 | 2012-11-08 |
| Jaensch, Johann Lasse | 3 | 0 | 0 | 2026-02-13 | 2026-02-18 |
| Jaekel, Goya | 3 | 0 | 0 | 1991-08-18 | 1991-08-25 |
| Jacobsen, Thore | 1 | 0 | 0 | 2013-11-14 | 2013-11-14 |
| Izekor, Ken | 9 | 3 | 0 | 2023-09-07 | 2024-02-14 |
| Itter, Pascal | 19 | 1 | 1 | 2011-08-24 | 2012-05-16 |
| Itter, Gian-Luca | 15 | 0 | 0 | 2015-09-09 | 2016-05-18 |
| Itter, Davide-Jerome | 8 | 0 | 0 | 2015-09-09 | 2016-05-08 |
| Iseli, Tobias | 2 | 0 | 0 | 1995-08-06 | 1995-08-09 |
| Isbruch, Lasse | 11 | 1 | 0 | 2025-01-09 | 2025-05-25 |
| Is, Ebu Bekir | 14 | 2 | 1 | 2024-09-04 | 2025-11-15 |
| Ibrahimovic, Arijon | 13 | 9 | 0 | 2021-08-06 | 2022-05-25 |
| Ibrahimi, Mehmet | 2 | 0 | 0 | 2019-10-10 | 2019-10-12 |
| Husser, Denis | 12 | 6 | 0 | 2023-10-15 | 2024-05-14 |
| Husic, Raif | 9 | 0 | 0 | 2012-09-12 | 2013-03-06 |
| Hürzeler, Fabian | 10 | 0 | 0 | 2009-09-17 | 2010-03-27 |
| Hummel, David | 3 | 0 | 0 | 2019-02-08 | 2019-02-12 |
| Huke, Sebastian | 3 | 0 | 0 | 2006-05-05 | 2006-05-14 |