| Author (and author names) | Published between | No. of references | No. of described taxa (valid) |
|---|---|---|---|
| Rüger, M. | 2003 | 1 | – |
| Rüger, M. H. | 2005 | 1 | – |
| Ruggiero, A. | 1994 | 1 | – |
| Ruíz-Cancino, E. | 2012 | 1 | – |
| Ruiz-Gonzalez, M. X. | 2009 | 1 | – |
| Rüppell, O. | 1997–2001 | 4 | – |
| Russell, J. A. | 2009 | 1 | – |
| Russell, W. E. | 1969 | 1 | – |
| Russo, G. | 1930 | 1 | 2 |
| Rust, J. | 1999–2017 | 3 | 1 |
| Rust, M. K.; Rust, M. | 1984–2013 | 4 | – |
| Rutkowski, T. | 2018 | 1 | – |
| Ruzsky, M.; Ruzsky, M. D. | 1894–1946 | 33 | 55 |
| Ryder Wilkie, K. T. | 2010 | 1 | – |
| Ryu, D.-P. | 1994–1995 | 2 | – |
| Saaristo, M. I. | 1986–1995 | 3 | – |
| Sadasivan, K. | 2017–2022 | 2 | 4 |
| Sadeghi, H. | 2015 | 1 | – |
| Sadil, J.; Sadil, J. V. | 1939–1953 | 13 | 3 |
| Sadowski, V. A. | 2020 | 1 | – |
| Sáenz | – | – | – |
| Sáenz, L. | 2012 | 1 | – |
| Saes, N. B. | 1986 | 1 | – |
| Saewai, J. | 2007 | 1 | – |
| Safariyan, F. | 2018 | 1 | 1 |
| Safford, W. E. | 1922 | 1 | – |
| Sagra, R. de | 1857 | 1 | – |
| Sahanashree, R. | 2021–2024 | 3 | 4 |
| Sahlberg, J. | 1913 | 1 | – |
| Sahni, A. | 2010 | 1 | – |
| Sahoo, B. | 2023–2024 | 2 | 2 |
| Saini, M. S. | 1978–1985 | 12 | – |
| Saito, A. | 2000 | 1 | – |
| Sáiz, F. | 1993 | 1 | – |
| Sakai, H. | 1988–1994 | 3 | – |
| Sakchoowong, W. | 2008–2016 | 2 | – |
| Sakurai, H. | 1983 | 1 | – |
| Salas-Gismondi, R. | 2019 | 1 | 2 |
| Salata, S. | 2011–2024 | 80 | 174 |
| Salazar, F. | 2013 | 1 | – |
| Salgueiro, J. | 2002 | 1 | – |
| Salim, K. A. | 2018 | 1 | – |
| Salinas, P. J. | 1992–1997 | 2 | – |
| Sallee, R. M. | 1952–1965 | 3 | – |
| Salman, S. | 2016–2023 | 3 | – |
| Salvagnoli, V. | 1841 | 1 | – |
| Salvarani, A. | 1998 | 1 | – |
| Sameshima, S. | 1999–2004 | 2 | – |
| Samoshilova, N. M. | 1981 | 2 | – |
| Samouelle, G. | 1819 | 1 | – |
| Sampaio, K. L. D. | 2021 | 1 | – |
| Sampedro Rosas, G. | 1983 | 1 | – |
| Samšiňák, K. | 1951–1967 | 4 | 2 |
| Samsinák, K. | 1949–1965 | 6 | – |
| Samson, D. A. | 1997 | 1 | – |
| Samuelson, G. A. | 1986–1993 | 2 | – |
| Samung, Y. | 2019–2024 | 3 | 1 |
| Samways, M. J. | 1982–2000 | 6 | – |
| Sanabria, C. | 2011 | 1 | – |
| Sanchez-Peña, S. R.; Sánchez-Peña, S. R. | 2010–2017 | 3 | 1 |