| Player | Matches | Goals | Penalties | First match | Last match |
|---|---|---|---|---|---|
| Loose, Ralf | 1 | 0 | 0 | 1981-06-03 | 1981-06-03 |
| Lohkemper, Felix | 6 | 3 | 1 | 2012-11-14 | 2013-05-16 |
| Liebelt, John | 1 | 0 | 0 | 2019-12-10 | 2019-12-10 |
| Lenz, Marcel | 4 | 0 | 0 | 2009-04-10 | 2009-05-30 |
| Lenz, Christopher | 2 | 0 | 0 | 2012-05-22 | 2012-05-24 |
| Leno, Bernd | 5 | 0 | 0 | 2009-07-27 | 2010-05-04 |
| Lengle, Samuel | 1 | 0 | 0 | 2017-11-12 | 2017-11-12 |
| Lemperle, Tim | 2 | 0 | 0 | 2019-12-10 | 2019-12-12 |
| Leitsch, Maxim | 2 | 0 | 0 | 2015-12-15 | 2015-12-17 |
| Lehmann, Paul | 1 | 0 | 0 | 2022-05-11 | 2022-05-11 |
| Lechner, Thomas | 1 | 0 | 0 | 1998-07-26 | 1998-07-26 |
| Lauth, Benjamin | 1 | 0 | 0 | 2000-07-23 | 2000-07-23 |
| Laubinger, Gino | 1 | 0 | 0 | 2000-07-23 | 2000-07-23 |
| Lang, Finn-Ole | 3 | 1 | 0 | 2025-10-28 | 2025-11-18 |
| Landwehr, Benedikt | 1 | 0 | 0 | 2019-05-14 | 2019-05-14 |
| Lais, Marc | 2 | 0 | 0 | 2009-03-26 | 2009-04-10 |
| Labus, Robert | 1 | 0 | 0 | 2009-10-10 | 2009-10-10 |
| Labes, Ben | 4 | 1 | 0 | 2021-09-01 | 2021-12-12 |
| Labenz, Luiz | 2 | 0 | 0 | 2023-11-15 | 2023-11-20 |
| Kyeremateng, Gabriel | 6 | 1 | 0 | 2016-11-13 | 2017-03-26 |
| Kurt, Sinan | 9 | 4 | 0 | 2013-11-14 | 2014-05-28 |
| Kurt, Kaan | 6 | 0 | 0 | 2018-11-15 | 2019-04-17 |
| Küntzel, Marco | 1 | 0 | 0 | 1994-07-31 | 1994-07-31 |
| Kühn, Nicolas | 2 | 3 | 0 | 2018-04-18 | 2018-05-08 |
| Kuhlmann, Tim | 1 | 0 | 0 | 2022-05-11 | 2022-05-11 |
| Krüger, Florian | 4 | 1 | 0 | 2016-11-13 | 2016-12-15 |
| Kroos, Felix | 10 | 6 | 0 | 2008-11-18 | 2009-05-30 |
| Kronmüller, Topaz | 1 | 0 | 0 | 2019-12-10 | 2019-12-10 |
| Kritzer, Mateo | 1 | 0 | 0 | 2024-05-22 | 2024-05-22 |
| Krauß, Tom | 4 | 0 | 0 | 2018-11-15 | 2019-04-17 |
| Krattenmacher, Maurice | 3 | 0 | 0 | 2022-09-23 | 2022-11-27 |
| Kranitz, Simon | 6 | 1 | 1 | 2013-11-14 | 2013-12-19 |
| Krahl, Julian | 2 | 0 | 0 | 2017-12-12 | 2018-04-18 |
| Kraft, Keanu | 1 | 0 | 0 | 2020-09-07 | 2020-09-07 |
| Kraft, Florian | 1 | 0 | 0 | 2015-12-17 | 2015-12-17 |
| Kostka, Michael | 2 | 0 | 0 | 2020-09-04 | 2020-09-07 |
| Koscierski, Kacper | 4 | 0 | 0 | 2024-09-04 | 2025-05-14 |
| Koronkiewicz, Patrick | 9 | 0 | 0 | 2008-12-15 | 2009-04-12 |
| Körber, Nils | 3 | 0 | 0 | 2013-12-17 | 2014-05-28 |
| Korb, Julian | 2 | 0 | 0 | 2009-08-19 | 2009-09-09 |
| Königsmann, Timo | 3 | 0 | 0 | 2015-03-27 | 2015-05-13 |
| Kömür, Mert | 6 | 1 | 0 | 2022-11-25 | 2023-05-08 |
| Kölle, Niklas | 6 | 1 | 0 | 2016-11-14 | 2017-05-17 |
| Kolbe, Sebastian | 1 | 0 | 0 | 2013-11-16 | 2013-11-16 |
| Kolbe, Louis | 2 | 1 | 0 | 2021-09-03 | 2021-09-05 |
| Kolasinac, Sead | 1 | 0 | 0 | 2011-05-18 | 2011-05-18 |
| Köksal, Fatih | 2 | 0 | 0 | 2013-12-16 | 2013-12-17 |
| Kojic, Semin | 3 | 0 | 0 | 2021-12-12 | 2021-12-17 |
| Kohr, Dominik | 8 | 0 | 0 | 2011-12-12 | 2012-05-24 |
| Köhn, Philipp | 1 | 0 | 0 | 2015-11-14 | 2015-11-14 |