| Author (and author names) | Published between | No. of references | No. of described taxa (valid) |
|---|---|---|---|
| Pardo Vargas, R. | 1964 | 1 | – |
| Pardo, X. | 1986 | 1 | – |
| Parfitt, E. | 1880 | 1 | – |
| Park, J.-Y. | 1994 | 1 | – |
| Park, K.-S. | 1991 | 2 | – |
| Park, S.-J. | 1994–2003 | 6 | – |
| Parker, G. H. | 1938 | 1 | – |
| Parker, J. D. | 1996–2004 | 5 | – |
| Parker, M. E. | 2018 | 1 | – |
| Parker, S. P. | 1982 | 1 | – |
| Parmigiani, S. | 1984 | 1 | – |
| Parr, C. L.; Parr, C. | 2001–2009 | 6 | – |
| Partridge, L. W. | 1993 | 1 | – |
| Parys, K. A. | 2012 | 1 | – |
| Pascovici, V. D. | 1965–1981 | 3 | – |
| Pascual, R. | 1985–1995 | 3 | – |
| Pashaei Rad, S. | 2018 | 1 | 1 |
| Passera, L. | 1967–2021 | 13 | – |
| Passerin d'Entrèves, P. | 1983 | 1 | – |
| Pasteels, J. M.; Pasteels, J. | 1970–1997 | 8 | – |
| Pasternak, B. S. | 1968 | 1 | – |
| Patek, S. N. | 2008 | 1 | – |
| Patel, A. D. | 1994 | 1 | – |
| Patiny, S. | 2012 | 1 | – |
| Patrizi, S. | 1946–1948 | 3 | 2 |
| Patterson, B. D. | 1995 | 1 | – |
| Patterson, R. S. | 1995 | 1 | – |
| Patton, W. H. | 1879–1894 | 2 | 1 |
| Paul, J. | 1997–2019 | 6 | – |
| Pauly, A. | 1998–2002 | 2 | – |
| Pautasso, M. | 2008 | 1 | – |
| Pavan, G. | 1996–1997 | 2 | – |
| Pavan, M. | 1955–1981 | 12 | – |
| Pavon, L. F. | 2005 | 1 | – |
| Pazmiño-Palomino, A. | 2025 | 1 | 1 |
| Pazmiño, O. | 1982 | 1 | – |
| Peacock, A. D. | 1950 | 1 | – |
| Pearcy, M. | 2004–2011 | 3 | – |
| Pearse, A. S. | 1938 | 1 | – |
| Pearson, B. | 1980–1984 | 5 | – |
| Pech, P. | 2018 | 1 | – |
| Pedersen, J. S.; Pedersen, J. | 2001–2011 | 3 | – |
| Pedraza, L. | 2019 | 1 | – |
| Peeler, H. B. | 2004 | 1 | – |
| Peeters, C.; Peeters, C. P. | 1984–2022 | 49 | – |
| Peiris, H. A. W. S. | 2011–2019 | 2 | – |
| Pekins, C. E. | 2009 | 1 | – |
| Pelz, D. R. | 1992 | 1 | – |
| Penev, S. | 1965 | 1 | – |
| Peng, J. | 1992 | 1 | – |
| Peng, Y.-L. | 2011 | 1 | – |
| Peng, Y.-Q. | 2015–2024 | 3 | 2 |
| Penick, C.A. | 2014–2024 | 2 | – |
| Penman, T. D. | 2009 | 1 | – |
| Penny, N. D. | 1991 | 1 | – |
| Pénzes, Z. | 2014 | 1 | – |
| Penzig, O. | 1895 | 1 | – |
| Pépin, D. | 1975 | 1 | – |
| Perdereau, E. | 2022–2023 | 2 | 2 |
| Peregovits, L. | 1995 | 1 | – |