| Author (and author names) | Published between | No. of references | No. of described taxa (valid) |
|---|---|---|---|
| Klemm, W. | 1967–1976 | 2 | 1 |
| Klimeš, P. | 2022 | 2 | 2 |
| Klimes, P. | 2014 | 1 | 4 |
| Klimetzek, D. | 1970–1992 | 7 | – |
| Klimov, P. | 2015 | 1 | – |
| Klingenberg, C. | 2005–2013 | 6 | 3 |
| Klinkicht, M. | 1990 | 1 | – |
| Klitzke, C. | 1995 | 1 | – |
| Kloft, E. S. | 1973 | 1 | – |
| Kloft, W. | 1961 | 1 | – |
| Kloft, W. J. | 1973–1980 | 2 | – |
| Klopfstein, S. | 2017 | 1 | – |
| Klotz, J. H.; Klotz, J. | 1995–2013 | 5 | – |
| Klotz, S. A. | 1999 | 1 | – |
| Klug, F. | 1824 | 1 | 4 |
| Klump, B. | 1988 | 1 | – |
| Klunk, C. L. | 2021–2023 | 2 | – |
| Knaden, M. | 2005–2012 | 2 | – |
| Knauer, F. | 1906 | 1 | – |
| Knechtel, W. K. | 1956–1962 | 3 | – |
| Kneitz, G. | 1962–1998 | 8 | – |
| Knight, R. L. | 1990 | 1 | – |
| Knöllinger, K. | 2024 | 1 | – |
| Knor, S. | 2014 | 1 | 1 |
| Knowles, L. L. | 2015 | 1 | – |
| Knowlton, G. F. | 1939–1970 | 2 | – |
| Knox, R. B. | 1984–1986 | 3 | – |
| Knudtson, B. K. | 1978 | 1 | – |
| Ko, J.-H. | 1985 | 1 | – |
| Kobayashi, K. | 1984–2012 | 4 | – |
| Kobel-Lamparski, A. | 1990 | 1 | – |
| Koch, E. B. D. | 2021 | 1 | – |
| Koehler, P. | 1994 | 1 | – |
| Koehler, W. | 1951–1958 | 2 | – |
| Koen, J. H. | 1988 | 1 | – |
| Kofler, A. | 1978–1995 | 3 | – |
| Kogure, T. | 1959 | 1 | – |
| Kohl, F. F. | 1909 | 1 | – |
| Kohn, M. | 1984 | 1 | – |
| Kohout, R. J.; Kohout, R. | 1987–2015 | 44 | 173 |
| Kohriba, O. | 1963 | 1 | – |
| Kolatkar, M. | 1997 | 1 | – |
| Kollar, V. | 1832 | 2 | – |
| Kolmer, K. | 2002 | 1 | – |
| Kolossov, J. | 1932 | 1 | – |
| Kolyada, V. A. | 2014 | 1 | – |
| Komae, H. | 1980–1984 | 2 | – |
| Komarov, Y. | 2016 | 1 | – |
| Komendar, V. I. | 1988 | 1 | – |
| Kondo, K. | 1998 | 2 | – |
| Kondo, M. | 1982 | 1 | – |
| Kondoh, M. | 1961–2003 | 15 | – |
| Kongmee, M. | 2018–2023 | 2 | – |
| König, W. A. | 1995–1996 | 3 | – |
| Königsmann, E. | 1976–1978 | 4 | – |
| Konikov, A. S. | 1965 | 1 | – |
| Kôno, H. | 1939 | 1 | – |
| Kononova, S. V. | 1990 | 1 | – |
| Konrad, H. | 2005–2008 | 5 | – |
| Kontschán, J. | 2014 | 1 | – |