| Author (and author names) | Published between | No. of references | No. of described taxa (valid) |
|---|---|---|---|
| Laza, J. H. | 1982 | 1 | 2 |
| Lazarus, A. B. | 2004 | 1 | – |
| Lazell, J. | 2005 | 1 | – |
| Le Breton, J. | 2005–2007 | 2 | – |
| Le Guillou, E. J. F.; Guillou, E. J. F. le | 1842 | 1 | 6 |
| Le Masne, G. | 1948–1982 | 9 | 1 |
| Le Moli, F. | 1980–2011 | 10 | – |
| Le Roux, J. J. | 2018 | 1 | – |
| Leach, W. E. | 1815–1825 | 3 | 2 |
| Leal, I. R. | 1996–2005 | 2 | – |
| Lebas, C. | 2013–2024 | 13 | 5 |
| Lebon, M. | 2016 | 1 | 1 |
| Lechner, K. | 1997 | 1 | – |
| Leclerc, J. | 1993 | 1 | – |
| Leclercq, S. | 1997 | 1 | – |
| Lecocq de Pletincx, N. | 2024 | 1 | – |
| Lecroq, B. | 2015 | 1 | – |
| Ledoux, A. | 1954–1974 | 3 | – |
| Lee, C. Y. | 2001 | 1 | – |
| Lee, D. E. | 2014 | 1 | – |
| Lee, E. K. | 2013 | 1 | – |
| Lee, I.-H. | 1995 | 1 | – |
| Lee, J. H. C. | 2024 | 2 | 1 |
| Lee, R. H. | 2023 | 2 | 1 |
| Lee, S. S. | 1998 | 1 | – |
| Lee, S. Y. | 1999 | 1 | – |
| Leech, H. B. | 1942 | 1 | – |
| Lefeber, B. A. | 1995 | 1 | – |
| Lefebvre, T. | 1849 | 1 | – |
| Legakis, A. | 1983–2011 | 10 | – |
| Legendre, F. | 2024 | 1 | – |
| Leh, C. | 1986 | 1 | – |
| Lehrman, D. S. | 1970 | 1 | – |
| Leininger, H. | 1927–1951 | 2 | – |
| Leipold, D. | 1977 | 1 | – |
| Leitner, N. E. | 2017 | 1 | – |
| Lelej, A. S. | 1982–2000 | 2 | – |
| Lelyveld, L. J. | 1982 | 1 | – |
| Lenhart, P. A. | 2013 | 1 | 1 |
| Leniaud, L. | 2016 | 1 | – |
| Lenko, K. | 1964–1976 | 5 | 1 |
| Lennartz, F. E. | 1974 | 1 | – |
| Lenoir, A. | 1972–2023 | 20 | 3 |
| Lent, H. | 1967 | 1 | – |
| Leo, P. | 1990–1991 | 2 | – |
| Leonard, M. D. | 1928 | 1 | – |
| Leonard, P. | 1911 | 1 | – |
| Leong, C.-M. | 2017–2020 | 9 | 7 |
| Lepage, M. | 1994 | 1 | – |
| Lepeco, A. | 2025 | 2 | 2 |
| Lepeletier de Saint-Fargeau, A. | 1835 | 1 | 4 |
| Leponce, M. | 1998–2019 | 5 | – |
| LePrince, D.; Leprince, D. J. | 1982–1986 | 2 | – |
| Ler, P. A. | 1980–1995 | 6 | – |
| Leroux, J. M. | 1979–1980 | 2 | 1 |
| Lessard, J.-P. | 2005–2009 | 3 | – |
| Lester, P. J. | 2004 | 1 | – |
| Leston, D. | 1971–1979 | 4 | 1 |
| Letendre, M. | 1971–1973 | 3 | – |
| Leung, C. W. F. | 1993 | 1 | – |