| Player | Matches | Goals | Penalties | First match | Last match |
|---|---|---|---|---|---|
| Kinsombi, David | 3 | 0 | 0 | 2012-11-14 | 2013-05-16 |
| Kirchhoff, Jan | 1 | 0 | 0 | 2008-03-13 | 2008-03-13 |
| Kirsch, Marian | 1 | 0 | 0 | 2021-09-01 | 2021-09-01 |
| Kittel, Sonny | 4 | 2 | 1 | 2010-11-16 | 2011-03-24 |
| Klanac, Leon | 2 | 0 | 0 | 2024-09-06 | 2024-11-18 |
| Klaus, Carl | 1 | 0 | 0 | 2011-12-12 | 2011-12-12 |
| Klaus, Felix | 6 | 0 | 0 | 2009-07-27 | 2010-04-12 |
| Klefisch, Ben | 2 | 0 | 0 | 2020-09-04 | 2020-09-07 |
| Klein, Daniel | 3 | 0 | 0 | 2018-11-15 | 2019-05-14 |
| Kleinhansl, Florian | 2 | 0 | 0 | 2017-11-12 | 2017-12-12 |
| Klemens, Pascal | 3 | 0 | 0 | 2022-09-21 | 2023-03-24 |
| Knost, Tobias | 2 | 0 | 0 | 2017-12-12 | 2017-12-14 |
| Kobylański, Martin | 3 | 1 | 0 | 2011-11-09 | 2011-12-15 |
| Koch, Henrik | 3 | 0 | 0 | 2023-11-15 | 2024-05-22 |
| Koch, Julian | 1 | 0 | 0 | 2008-03-13 | 2008-03-13 |
| Köhlert, Mats | 3 | 0 | 0 | 2016-03-24 | 2016-05-11 |
| Köhn, Philipp | 1 | 0 | 0 | 2015-11-14 | 2015-11-14 |
| Kohr, Dominik | 8 | 0 | 0 | 2011-12-12 | 2012-05-24 |
| Kojic, Semin | 3 | 0 | 0 | 2021-12-12 | 2021-12-17 |
| Köksal, Fatih | 2 | 0 | 0 | 2013-12-16 | 2013-12-17 |
| Kolasinac, Sead | 1 | 0 | 0 | 2011-05-18 | 2011-05-18 |
| Kolbe, Louis | 2 | 1 | 0 | 2021-09-03 | 2021-09-05 |
| Kolbe, Sebastian | 1 | 0 | 0 | 2013-11-16 | 2013-11-16 |
| Kölle, Niklas | 6 | 1 | 0 | 2016-11-14 | 2017-05-17 |
| Kömür, Mert | 6 | 1 | 0 | 2022-11-25 | 2023-05-08 |
| Königsmann, Timo | 3 | 0 | 0 | 2015-03-27 | 2015-05-13 |
| Korb, Julian | 2 | 0 | 0 | 2009-08-19 | 2009-09-09 |
| Körber, Nils | 3 | 0 | 0 | 2013-12-17 | 2014-05-28 |
| Koronkiewicz, Patrick | 9 | 0 | 0 | 2008-12-15 | 2009-04-12 |
| Koscierski, Kacper | 4 | 0 | 0 | 2024-09-04 | 2025-05-14 |
| Kostka, Michael | 2 | 0 | 0 | 2020-09-04 | 2020-09-07 |
| Kraft, Florian | 1 | 0 | 0 | 2015-12-17 | 2015-12-17 |
| Kraft, Keanu | 1 | 0 | 0 | 2020-09-07 | 2020-09-07 |
| Krahl, Julian | 2 | 0 | 0 | 2017-12-12 | 2018-04-18 |
| Kranitz, Simon | 6 | 1 | 1 | 2013-11-14 | 2013-12-19 |
| Krattenmacher, Maurice | 3 | 0 | 0 | 2022-09-23 | 2022-11-27 |
| Krauß, Tom | 4 | 0 | 0 | 2018-11-15 | 2019-04-17 |
| Kritzer, Mateo | 1 | 0 | 0 | 2024-05-22 | 2024-05-22 |
| Kronmüller, Topaz | 1 | 0 | 0 | 2019-12-10 | 2019-12-10 |
| Kroos, Felix | 10 | 6 | 0 | 2008-11-18 | 2009-05-30 |
| Krüger, Florian | 4 | 1 | 0 | 2016-11-13 | 2016-12-15 |
| Kuhlmann, Tim | 1 | 0 | 0 | 2022-05-11 | 2022-05-11 |
| Kühn, Nicolas | 2 | 3 | 0 | 2018-04-18 | 2018-05-08 |
| Küntzel, Marco | 1 | 0 | 0 | 1994-07-31 | 1994-07-31 |
| Kurt, Kaan | 6 | 0 | 0 | 2018-11-15 | 2019-04-17 |
| Kurt, Sinan | 9 | 4 | 0 | 2013-11-14 | 2014-05-28 |
| Kyeremateng, Gabriel | 6 | 1 | 0 | 2016-11-13 | 2017-03-26 |
| Labenz, Luiz | 2 | 0 | 0 | 2023-11-15 | 2023-11-20 |
| Labes, Ben | 4 | 1 | 0 | 2021-09-01 | 2021-12-12 |
| Labus, Robert | 1 | 0 | 0 | 2009-10-10 | 2009-10-10 |