| Player | Matches | Goals | Penalties | First match | Last match |
|---|---|---|---|---|---|
| Kern, Leon | 4 | 3 | 0 | 2013-05-12 | 2013-06-04 |
| Kesik, Mesut | 4 | 0 | 0 | 2019-02-07 | 2019-05-28 |
| Kessler, Thomas | 1 | 0 | 0 | 2002-05-27 | 2002-05-27 |
| Ketterer, Ashley | 2 | 0 | 0 | 2020-10-09 | 2020-10-12 |
| Keumo, Owono-Darnell | 6 | 0 | 0 | 2022-10-22 | 2023-05-28 |
| Khan Agha, Amid | 5 | 2 | 0 | 2016-11-17 | 2017-05-30 |
| Khedira, Rani | 3 | 0 | 0 | 2009-08-14 | 2009-10-28 |
| Khedira, Sami | 11 | 2 | 0 | 2002-08-26 | 2003-04-10 |
| Kiala, Cassiano | 10 | 0 | 0 | 2024-09-05 | 2025-03-21 |
| Kiefer, Lukas | 3 | 0 | 0 | 2008-10-16 | 2008-11-24 |
| Kienast, David | 6 | 0 | 0 | 2004-11-18 | 2005-05-17 |
| Kientz, Mylo | 1 | 1 | 0 | 2023-10-16 | 2023-10-16 |
| Kijewski, Niko | 1 | 0 | 0 | 2011-09-19 | 2011-09-19 |
| Kinitz, Tom | 4 | 0 | 0 | 2016-10-03 | 2017-05-30 |
| Kirsch, Marian | 1 | 0 | 0 | 2019-11-18 | 2019-11-18 |
| Kisyna, Kevin | 1 | 0 | 0 | 2002-08-28 | 2002-08-28 |
| Kittel, Sonny | 4 | 0 | 0 | 2009-04-08 | 2009-04-13 |
| Klanac, Leon | 4 | 0 | 0 | 2022-10-22 | 2023-02-10 |
| Kläne-Menke, Pirmin | 2 | 0 | 0 | 2022-10-22 | 2022-10-24 |
| Klatte, Luis | 1 | 0 | 0 | 2016-04-14 | 2016-04-14 |
| Klein, Daniel | 2 | 0 | 0 | 2016-09-11 | 2017-03-24 |
| Klein, Luis | 2 | 1 | 0 | 2018-09-05 | 2018-09-09 |
| Kleine-Bekel, Colin Noah | 1 | 0 | 0 | 2018-10-12 | 2018-10-12 |
| Kleineberg, Philip-Elias | 1 | 0 | 0 | 2024-11-18 | 2024-11-18 |
| Klement, Philipp | 3 | 0 | 0 | 2007-09-22 | 2008-02-26 |
| Knappe, Davino | 4 | 0 | 0 | 2018-10-10 | 2019-03-25 |
| Knöferl, Lorenz | 3 | 0 | 0 | 2018-09-09 | 2018-11-11 |
| Knoll, Marvin | 6 | 3 | 0 | 2005-09-19 | 2006-04-13 |
| Knoll, Max | 4 | 0 | 0 | 2023-09-08 | 2023-11-21 |
| Knöpfler, Fabian | 4 | 0 | 0 | 2001-08-23 | 2002-03-07 |
| Knopp, Sebastian | 6 | 1 | 0 | 2008-09-16 | 2008-11-24 |
| Knötzinger, Michael | 6 | 1 | 0 | 2009-08-16 | 2010-06-02 |
| Kober, Manuel | 1 | 0 | 0 | 2015-03-20 | 2015-03-20 |
| Kobylański, Martin | 2 | 1 | 0 | 2010-05-11 | 2010-05-12 |
| Koch, Aki | 1 | 0 | 0 | 2020-02-11 | 2020-02-11 |
| Koch, Dominik | 1 | 0 | 0 | 2015-03-20 | 2015-03-20 |
| Koch, Henrik | 2 | 1 | 0 | 2021-11-11 | 2021-11-13 |
| Köhler, Leonard | 4 | 0 | 0 | 2021-11-11 | 2022-05-05 |
| Köhlert, Mats | 8 | 1 | 0 | 2013-09-13 | 2014-06-04 |
| Köhn, Philipp | 4 | 0 | 0 | 2013-10-10 | 2014-06-04 |
| Kojic, Semin | 6 | 2 | 0 | 2019-10-09 | 2020-02-11 |
| Kolbe, Louis | 5 | 1 | 0 | 2019-10-09 | 2020-02-11 |
| Kolbeck, Julian | 1 | 0 | 0 | 2010-05-12 | 2010-05-12 |
| Kolcak, Rodan | 1 | 0 | 0 | 2015-10-24 | 2015-10-24 |
| Kölle, Robin | 1 | 0 | 0 | 2016-09-30 | 2016-09-30 |
| Konate-Lueken, Manuel | 1 | 0 | 0 | 2011-09-19 | 2011-09-19 |
| König, Raúl | 4 | 1 | 0 | 2021-09-02 | 2022-02-12 |
| Konrad, Manuel | 6 | 3 | 0 | 2003-08-26 | 2004-05-26 |
| Konrad, Max | 3 | 0 | 0 | 2012-09-14 | 2013-02-13 |
| Kopf, Alexander | 7 | 0 | 0 | 2016-09-11 | 2017-05-30 |