In bold, the official abbreviations
- Raab-Straube, Ev (Raab-Straube) Eckhard von Raab-Straube (1970– )
- Raabe, A (A.Raabe) Achilles Raabe (1909–?)
- Raabe, H (Helm.Raabe) Helmut Raabe (1936–)
- Raabe, H (Raabe) Hildegard Raabe (1913–2015)
- Raabe, HW (H.Raabe) Henryk Wacław Raabe (1882–1951)
- Raabe, RD (R.D.Raabe) Robert Donald Raabe (1924–2013)
- Raabe, U (U.Raabe) Uwe Raabe (1960–)
- Raabe, Z (Z.Raabe) Zdzisław Raabe (1909–1972)
- Raamsdonk, LWD (Raamsd.) Leo W.D. van Raamsdonk (1955– )
- Raath, MA Michael Andrew Raath (1941– )
- Rabb, GR George Bernard Rabb (1930– )
- Rabeler, RK (Rabeler) Richard Kevin Rabeler (1953– )
- Rabeling, C Christian Rabeling
- Rabenhorst, GL (Rabenh.) Gottlob Ludwig Rabenhorst (1806–1881)
- Rabevohitra, R (R.Rabev.) Raymond Rabevohitra (1946– )
- Rabibisoa, N Nirhy Rabibisoa
- Rabieh, MM (Rabieh) Mohammad Mahdi Rabieh
- Rabien, A Arnold Rabien
- Rabitsch, W Wolfgang Rabitsch
- Rabor, DS Dioscoro S. Rabor (1911–1996)
- Racheli, L (L.Racheli) Luigi Racheli
- Racheli, T (T.Racheli) Tomasso Racheli
- Raciborski, M (Racib.) Marian Raciborski (1863–1917)
- Racovitza, E Emil Racoviţă (1868–1947)
- Rada, M Marco Rada
- Radchenko, AG Alexander G. Radchenko
- Radcliffe, L Lewis Radcliffe (1880–1950)
- Radcliffe-Smith, A (Radcl.-Sm.) Alan Radcliffe-Smith (1938– )
- Radda, AC Alfred C. Radda
- Radde, G (Radde) Gustav Radde (1831–1903)
- Raddi, G (Raddi) Giuseppe Raddi (1770–1829)
- Radenković, S Snežana Radenković
- Rader, WE (Rader) William Ernest Rader (1916– )
- Radhakrishnan, C Chandrasekharamenon Radhakrishnan
- Radius, JWM Justus Wilhelm Martin Radius (1797–1884)
- Radlkofer, LAT (Radlk.) Ludwig Adolph Timotheus Radlkofer (1829–1927)
- Radoszkowsky, O O. Radoszkowsky (fl. 1869–1893)
- Radtke, MG (Radtke) Meghan G. Radtke
- Raeuschel, EA (Raeusch.) Ernst Adolf Raeuschel (fl. 1772–1797)
- Rafael, JA José Albertino Rafael
- Raffaëlli, J Jean Raffaëlli
- Raffles, TS (Raffles) Thomas Stamford Raffles (1781–1826)
- Raffray, A Achille Raffray (1844–1923)
- Rafinesque, CS (Raf.) Constantine Samuel Rafinesque-Schmaltz (1783–1840)
- Rafn, CG (Rafn) Carl Gottlob Rafn (1769–1808)
- Ragai, R Roslina Ragai
- Ragge, DR David R. Ragge
- Ragghianti, M Matilde Ragghianti
- Ragonese, AE (Ragonese) Arturo Enrique Ragonese (1915–1995)
- Ragonese, AM (A.M.Ragonese) Ana María Ragonese (1928–1999)
- Ragonot, EL Émile Louis Ragonot
- Ragusa, EE Emile Enrico Ragusa (1849–1924)
- Rahayu, DL Dwi Listyo Rahayu
- Rahbek, C Carsten Rahbek
- Rahman, MA Mustafa Abdul Rahman
- Rahman, MM Md. Mizanur Rahman
- Rahelivololona, ME (Raheliv.) Marie Elisette Rahelivololona (1957– )
- Railliet, A Alcide Railliet
- Raimann, R (Raim) Rudolf Raimann
- Raimondo, FM (Raimondo) Francesco Maria Raimondo (1944– )
- Rainboth, WJ Walter John Rainboth
- Rainbow, WJ William Joseph Rainbow (1856–1919)
- Rainer, H (H.Rainer) Heimo Rainer
- Raineri, V (Raineri) Valter Raineri
- Rainey, FA Frederick A. Rainey
- Raithelhuber, JH (Raithelh.) Jörg H. Raithelhuber
- Raitviir, A (Raitv.) Ain Raitviir (1938–2006)
- Raizada, MB (Raizada) Mukat Behari Raizada (1907–2007)
- Rajabli, A (Rajabli) Ahmed Jabbar oğlu Rajabli (1898—1963)
- Rajagopal, PK (P.K.Rajagopal) P. K. Rajagopal (fl. 2005)
- Rajasuriya, A Arjan Rajasuriya
- Rajchenberg, M (Rajchenb.) Mario Rajchenberg (1953– )
- Rajput, KS (K.S.Rajput) Kishore S. Rajput (fl. 2018)
- Rajput, MTM (Rajput) Muhammad Tahir M. Rajput (fl. 1988)
- Rákosy, L (Rákosy) László Rákosy
- Rakotoarinivo, M (Rakotoarin.) Mijoro Rakotoarinivo
- Rakotonasolo, F (Rakotonas.) Franck Rakotonasolo (1954– )
- Rakotosamimanana, B Berthe Rakotosamimanana (1938–2005)
- Rakotozafy, A (Rakot.) Armand Rakotozafy (1932–2009)
- Rakov, SY Sergey Y. Rakov
- Rakovič , M Miloslav Rakovič
- Ralfs, J (Ralfs) John Ralfs (1807–1890)
- Ralston, BE (Ralston) Barbara E. Ralston
- Ralph, PM Patricia Marjorie Ralph (1920–1995)
- Ramadhan, R Rezky Ramadhan
- Ramakrishnan, K (K. Ramakr.) K. Ramakrishnan
- Ramakrishnan, U Uma Ramakrishnan
- Ramaley, AW Annette W. Ramaley
- Ramamoorthy, TP T. P. Ramamoorthy
- Ramatuelle, TAJ (Ramat.) Thomas Albin Joseph d'Audibert de Ramatuelle (1750–1794)
- Ramazzotti, R Giuseppe Ramazzotti
- Rambold, G (Rambold) Gerhard Walter Rambold (1956– )
- Rambur, JP Jules Pièrre Rambur (1801–1870)
- Ramdohr, KA Karl August Ramdohr
- Rameshori, Y Yumnam Rameshori
- Ramírez, MJ (Ramírez) Martín Javier Ramírez
- Ramírez-Benavides, W William Ramírez-Benavides
- Ramírez Goyena, Miguel (Ram.Goyena) Miguel Ramírez Goyena (1857–1827)
- Ramírez-Roa, A (Ram.-Roa) Angélica Ramírez-Roa
- Ramme, WAT Willy Adolf Theodor Ramme (1887–1953)
- Ramond, L (Ramond) Louis Ramond (1755–1827)
- Ramón-Mercau, J Josefina Ramón-Mercau
- Ramos, CH (Ramos) Clara Hilda Ramos Álvarez
- Ramos, MIF Maria Inês Feijó Ramos
- Ramos, MS Magno S. Ramos
- Ramos Lopes, MH (R.Lopes) Maria Helena Ramos Lopes
- Ramsay, GW Graeme W. Ramsay
- Ramsay, RGW (R.G.W. Ramsay) Robert George Wardlaw Ramsay (1852–1921)
- Ramsbottom, J (Ramsb.) John Ramsbottom (1885–1974)
- Ramsden, CT Charles Theodore Ramsden (1876–1951)
- Ramsey, EP Edward Pierson Ramsay (1842–1916)
- Ramsey, JS John S. Ramsey
- Ramsköld, L Lars Ramsköld
- Ramus, E Erica Ramus
- Ranalli, ME (Ranalli) María Esther Ranalli (1940– )
- Rand, AL Austin Loomer Rand (1905–1982)
- Rand, EL (E.L.Rand) Edward Lothrop Rand (1859–1924)
- Rand, ES (E.S.Rand) Edward Sprague Rand (1834–1897)
- Randal, M Mark Randal
- Randall, HA Helen A. Randall
- Randall, JE John Ernest Randall (1924–2020)
- Randall, ZS Zachary Scott Rogers
- Randell, BR Barbara Rae Randell (1942– )
- Randlane, T Tiina Randlane (1953)
- Randolph, LF Lowell Fitz Randolph (1894–1980)
- Randriamahazo, H Herilala Randriamahazo
- Randrianasolo, A (Randrian.) Armand Randrianasolo
- Randrianirina, JE Jasmin Emile Randrianirina
- Rane, D (D. Rane) Daya Rane
- Raney, EC Edward C. Raney (1909–1984)
- Rang des Adrets, PCLA Paul Charles Léonard Alexandre Rang des Adrets (1784–1859)
- Rangachari, K (Rang.) Kadambi Rangachari (1868–1934)
- Range, PT Paul Theodor Range (1879–1952)
- Rangel-Pereira, F Filipe da Silva Rangel-Pereira
- Rangnow, R Rudolf Rangnow (1889–1939)
- Ranjbar, M (Ranjbar) Massoud Ranjbar (fl. 1994)
- Rankin, R Rosa Rankin
- Ranzani, C Camillo Ranzani (1775–1841)
- Rao, AN (A.N.Rao) Abbareddy Nageswara Rao (1954– )
- Rao, AS (A.S.Rao) Aragula Sathyanarayana Rao (1924–1983)
- Rao, CG Chenggang Rao
- Rao, CRN C. R. Narayan Rao (1882–1960)
- Rao, DQ Ding-Qi Rao
- Rao, GC G. Chandrasekhara Rao
- Rao, HS H. Srinivasa Rao
- Rao, LN (L.N.Rao) L. N. Rao (fl. 1944)
- Rao, RS (R.S.Rao) Rolla Seshagiri Rao (1921– )
- Rao, SN S.N. Rao
- Raoul, E (Raoul) Étienne Fiacre Louis Raoul (1815–1852)
- Raoult, D Didier Raoult
- Rapaics, R Raymund Rapaics (1885–1953)
- Rapanarivo, SHJV (Rapan.) Solo Hery Jean Victor Rapanarivo (1954– )
- Rapilly, M Michel Rapilly (1928–1983)
- Raposo, MA Marcos A. Raposo
- Rapp, WL Wilhelm Ludwig Rapp (1774–1868)
- Rappole, JH John H. Rappole
- Rapp Py-Daniel, LH Lucia Helena Rapp Py-Daniel
- Raś, M Marcin Raś
- Räsänen, VJPB (Räsänen) Veli Johannes Paavo Bartholomeus Räsänen (1888–1953)
- Rasbach, H (Rasbach) Helga Rasbach (1925– )
- Rasbach, K (K.Rasbach) Kurt Rasbach (1923– )
- Rasekh, B (Rasekh) Bahram Rasekh
- Rasmussen, C Claus Rasmussen
- Rasmussen, PC (P.C. Rasmussen) Pamela C. Rasmussen
- Rasnitsyn, A Alexander Pavlovich Rasnitsyn (1936– )
- Rasoloarison, RM Rodin M. Rasoloarison
- Raspail, FV François-Vincent Raspail (1794–1878)
- Rasplus, Y-L Jean-Yves Rasplus
- Rassadina, KA (Rass.) Kseniya Aleksandrovna Rassadina (1903– )
- Rasulova, MR (Rassulova) Mukharam Rasulovna Rasulova (1926–2006)
- Rastegar-Pouyani, N Nasrullah Rastegar-Pouyani
- Rataj, K Karel Rataj (1925– )
- Ratcliffe, BC (Ratcliffe) Brett C.Ratcliffe
- Rathbun, G. Galen B. Rathbun
- Rathbun, MJ Mary Jane Rathbun (1860–1943)
- Rathke, MH Martin Heinrich Rathke (1793–1860)
- Rattan, SS (S.S.Rattan) Sarjit S. Rattan
- Rattan, V Volney Rattan (1840–1915)
- Rattanarithikul, R Rampa Rattanarithikul
- Ratzeburg, JTC Julius Theodor Christian Ratzeburg (1801–1871)
- Ratzel, U Ulrich Ratzel
- Rau, MA (M.A.Rau) Mysore Anantaswamy Rau (1916– )
- Rauch, H (H. Rauch) Hans Rauch
- Rauchenberger, M Mary Rauchenberger
- Rauh, W Werner Rauh (1913–2000)
- Rauhut, OWM Oliver Walter Mischa Rauhut
- Raulin, VF (Raulin) Victor Félix Raulin (1819–1905)
- Raup, HM (Raup) Hugh Miller Raup (1901–1995)
- Raus, T (Raus) Thomas Raus (1949– )
- Rausch, W (Rausch) Walter Rausch (1928– )
- Rauschenbach, TE (T.E.Rauschenb.) Tatiana Eduardovna Rauschenbach (1908–2010)
- Rauschenbach, VA (Rauschenb.) Vladimir Alexandrovich Rauschenbach (1874–1922)
- Räuschel, EA (Raeusch.) Ernst Adolf Räuschel
- Rauschert, M Martin Rauschert
- Rauschert, S (Rauschert) Stephan Rauschert (1931–1986)
- Raven, PH (P.H.Raven) Peter Hamilton Raven (1936– )
- Raven, RJ Robert J. Raven
- Ravenel, HW (Ravenel) Henry William Ravenel (1814–1887)
- Ravenna, P (Ravednna) Pierfelice Ravenna (1938–),
- Ravichandran, MS Masagoundanur Sengodan Ravichandran
- Raw, LRG Lynn R.G. Raw
- Rawé, R (Rawé) Rolf Rawé (1938– )
- Rawlins, A (A. Rawlins) Andrew Rawlins
- Rawlins, JE (Rawlins) John E. Rawlins
- Raxworthy, CJ Christopher John Raxworthy
- Ray, AM (A.M.Ray) Ann M. Ray
- Ray, D (D. Ray) David Ray
- Ray, J (Ray) John Ray (1627–1705)
- Ray, MF (M.F.Ray) Martin Forbes Ray
- Raybaudi Massilia, LG Luigi Gino Raybaudi Massilia (1913–2003)
- Raychaudhuri, D Dinendra Raychaudhuri
- Raymond, PE Percy Edward Raymond (1879–1952)
- Raymond-Hamet (Raym.-Hamet) Raymond-Hamet (1890–1972)
- Raynal, AM (A.Raynal) Aline Marie Raynal (1937– )
- Raynal, J (J.Raynal) Jean Raynal (1933–1979)
- Raynaud, C Christian Raynaud (1939–1993)
- Razafindrahaja, T (Razafindr.) Tahina Razafindrahaja
- Razafindratsira, A (Razaf.) Alfred Razafindratsira
- Razi, BA (Razi) Basheer Ahmed Razi (1916–1999)
- Razumovsky, GK Grigory Kirillovich Razumovsky (1759–1837)
- Razowski, J (Razowski) Józef Razowski
- Rea, C (Rea) Carleton Rea (1861–1946)
- Read, GB Geoffrey Bernard Read
- Read, K Kathryn Read
- Reader, FM Felix Maximilian Reader (1850–1911)
- Ready, JS Jonathan S. Ready
- Reakirt, T Tryon Reakirt (1844–?)
- Real, C (Real) Carlos Real (fl. 2005)
- Réal, P Pierre Réal
- Réaubourg, G (Réaub.) Gaston Réaubourg
- Rebassa, A (Rebassa) Antoni Rebassa (fl. 1991)
- Rebel, H Hans Rebel (1861–1940)
- Rebentisch, JF (Rebent.) Johann Friedrich Rebentisch (1772–1810)
- Reber, B (Reber) Burkhardt Reber (1848–1926)
- Rebholtz-Hirtzel, C Claudine Rebholtz-Hirtzel (1950–)
- Réblová, M Martina Réblová (1971– )
- Rebman, JP (Rebman) Jon Paul Rebman (1965– )
- Reboleira, ASPS Ana Sofia Pereira Serrenho Reboleira (1980– )
- Rech, T Tarcila Rech (1983–)
- Rechinger, K (Rech.) Karl Rechinger (1867–1952)
- Rechinger, KH (Rech.f.) Karl Heinz Rechinger (1906–1998)
- Recio, GM (Recio) Gloria María Recio Herrera (1942– )
- Récluz, CA Constant A. Récluz (1797–1873)
- Record, SJ Samuel James Record (1881–1945)
- Recourt, P Pierre Recourt
- Recuero, R Roberto Recuero
- Reddi, BV (Reddi) Bommareddi Venkata Reddi (1941– )
- Reddy, CA C. Adinarayana Reddy
- Reddy, S Sushma Reddy
- Redecker, D (D. Redecker) Dirk Redecker
- Redfearn, PL (Redf.) Paul Leslie Redfearn (1926– )
- Redhead, SA (Redhead) Scott Alan Redhead (1950– )
- Redighieri, ES Elizandra S. Redighieri
- Redikortsev, VV Vladimir Vladimirovich Redikortsev (1873—1942)
- Redinger, KM (Redinger) Karl Martin Redinger (1907–1940)
- Redner, JH James H. Redner
- Redón, J (Redón) Jorge Redón Figueroa (1936– )
- Redondo, VM Victor M. Redondo
- Redouté, PJ Pierre Joseph Redouté (1759–1840)
- Redowsky, II (I.Redowsky) Ivan Ivanovich Redowsky (1774–1807)
- Redtenbacher, J (Redtenb.) Josef Redtenbacher (1810–1870)
- Redtenbacher, J Josef Redtenbacher (1856–1926)
- Redtenbacher, L Ludwig Redtenbacher (1814–1876)
- Redtenbacher, W Wilhelm Redtenbacher (1817–1870)
- Reduron, JP (Reduron) Jean-Pierre Reduron (1950– )
- Reeb, V (Reeb) Valérie Reeb
- Reed, CA Charles A. Reed
- Reed, CF (C.F.Reed) Clyde Franklin Reed (1918–1999)
- Reed, EL (E.L.Reed) Edward Looman Reed (1878–1946)
- Reed, FRC Frederick Richard Cowper Reed
- Reeder, CG (C.Reeder) Charlotte Goodding Reeder (1916–2009)
- Reeder, DM DeeAnn M. Reeder
- Reeder, JR (Reeder) John Raymond Reeder (1914– )
- Rees, A (Rees) Abraham Rees (1743–1825)
- Rees, JD (J.D.Rees) John D. Rees
- Reese, H (Reese) Heinrich Reese (1879–1951)
- Reese, WD (W.D.Reese) William Dean Reese (1928–2002)
- Reese Næsborg, R (Reese Næsb.) Rikke Reese Næsborg
- Reeve, LA Lovell Augustus Reeve (1814–1865)
- Reeves, RG (Reeves) Robert Gatlin Reeves (1898– )
- Reeves, WC William Carlisle Reeves (1916–2004)
- Reeves, WK Will Karlisle Reeves (1974–)
- Regal, PJ Philip J. Regal
- Regalado, JC (Regalado) Jacinto Cajayon Regalado (1962– )
- Regalado González, JJ (J.J.Regalado) José Javier Regalado González (1984– )
- Regan, CT C. Tate Regan (1878–1943)
- Regel, E (Regel) Eduard von Regel (1815–1892)
- Régimbart, MA Maurice Auguste Régimbart (1852–1907)
- Rêgo, MA Marco Antonio Rêgo
- Rêgo, PS Péricles S. Rêgo
- Rego Barros, AR Alfredo Rei do Rego Barros
- Rehder, A (Rehder) Alfred Rehder (1863–1949)
- Rehm, HSLFF (Rehm) Heinrich Simon Ludwig Friedrich Felix Rehm (1828–1916)
- Rehman, H Hafizur Rehman
- Rehmann, A (Rehmann) Anton Rehmann (1840–1917)
- Rehn, JAG James Abram Garfield Rehn (1881–1965)
- Rehn, JWH John William Holman Rehn
- Řehulková, E Eva Řehulková
- Reich, GC Gottfried Christian Reich (1769–1848)
- Reichard, JJ (Reichard) Johann Jacob Reichard (1743–1782)
- Reichardt, AN Axel Nikolajevitsch Reichardt (1891–1942)
- Reichardt, H Hans Reichardt
- Reiche, KF Karl Reiche (1860–1929)
- Reiche, LJ Louis Jérôme Reiche (1799–1890)
- Reichenbach, C Carl Reichenbach (1788–1869)
- Reichenbach, HG (Rchb.f.) Heinrich Gustav Reichenbach (1824–1889)
- Reichenbach, HGL (Rchb.) Heinrich Gottlieb Ludwig Reichenbach (1793–1879)
- Reichenberger, EMB Elsie Naumburg (1880–1953)
- Reichenow, A Anton Reichenow (1847–1941)
- Reichenow, E Eduard Reichenow (1883–1960)
- Reichensperger, A August Reichensperger (1878–1962)
- Reichert, ET (E.T.Reichert) Edward Tyson Reichert (1855–1931)
- Reichert, I (Reichert) Israel Reichert (1889–1975)
- Reichert, J (J.Reichert) Jessica Reichert (1988–)
- Reichle, S Steffen Reichle
- Reichstein, T (Reichst.) Tadeus Reichstein (1897–1996)
- Reichwald, K Kathrin Reichwald
- Reid, A Amanda Reid
- Reid, CAM Chris A.M. Reid
- Reid, DA (D.A. Reid) Derek Agutter Reid (1927–2006)
- Reid, DG David G. Reid
- Reid, EM Eleanor M. Reid
- Reid, FA Fiona A. Reid
- Reid, J James Reid (zoologist) (fl. 1835–1837)
- Reid, J (J.Reid) James Reid (mycologist) (fl. 1961)
- Reidy, B (Reidy) Brendon Reidy
- Reif, WE Wolf-Ernst Reif (1945–2009)
- Reig, OA Osvaldo Alfredo Reig (1929–1992)
- Reike, H-P Hans-Peter Reike
- Reilly, SM Stephen M. Reilly
- Reimers, HJO Hermann Johann O. Reimers (1893–1961)
- Reimoser, E Eduard Reimoser (1864–1940)
- Reinecke, F (Reinecke) Franz Reinecke (1866–??)
- Reiner, ME (M.E.Reiner) María Elena Reiner (1958– )
- Reinert, BL Bianca Luiza Reinert
- Reinert, JF John F. Reinert
- Reinhard, H Hermann Reinhard (1816–1892)
- Reinhard, HJ Henry Jonathan Reinhard (1892–1976)
- Reinhard, HR (H.R.Reinhard) Hans R. Reinhard
- Reinhardt, JCH Johannes Christopher Hagemann Reinhardt (1778–1845)
- Reinhardt, JT Johannes Theodor Reinhardt (1816–1882)
- Reinke, J (Reinke) Johannes Reinke (1849–1931)
- Reinsch, PF (Reinsch) Paul Friedrich Reinsch (1836–1914)
- Reinthal, PN Peter N. Reinthal
- Reinwardt, CGC Caspar Georg Carl Reinwardt (1773–1854)
- Reis, RE Roberto Esser dos Reis
- Reischek, A Andreas Reischek (1845–1902)
- Reiser, O Othmar Reiser (1861–1936)
- Reisinger, E Erich Reisinger (1900–1978)
- Reiss, F Friedrich Reiss (1937–1999)
- Reiss, H (H. Reiss) Hugo Reiss
- Reissek, S Siegfried Reissek (1819–1871)
- Reisser, H Hans Reisser (1896–1976)
- Reissinger, EJ Eduard Johannes Reissinger (1920–1991)
- Reiswig, HM Henry M. Reiswig
- Reisz, RR Robert R. Reisz
- Reitner, J Joachim Reitner
- Reitter, E Edmund Reitter (1845–1920)
- Reitz, R (Reitz) Raulino Reitz (1919–1990)
- Remane, A Adolf Remane (1898–1976)
- Remeikis, A (Remeikis) Andrius Remeikis
- Remington, CL Charles Lee Remington (1922–2007)
- Remsen, JV James V. Remsen, Jr.
- Remy, P Paul Auguste Remy
- Rémy, J (J.Rémy) Jules Rémy (1826–1893)
- Remy, R (R.Remy) Renate Remy (1927–2015)
- Remy, W (W.Remy) Winfried Remy (1924–1995)
- Ren, D Dong Ren
- Ren, Q (Q.Ren) Qiang Ren
- Ren, YD (Y.D.Ren) Ying-Dang Ren
- Renard, E (E.Renard) Emmanuelle Renard (19..–)
- Renard, E (Renard) Jean-Luc Renard (19..–)
- Renard, KG (K.G.Renard) Konstantin Gustavovich Renard (1884–1961)
- Renaud, FNR François N.R. Renaud
- Renaud-Debyser, J Jacqueline Renaud-Debyser
- Renaud-Mornant, J Jeanne Renaud-Mornant (1925–2012)
- Renauld, FFG Ferdinand François Gabriel Renauld (1837–1910)
- Rendahl, H Hialmar Rendahl (1891–1969)
- Rendle, AB (Rendle) Alfred Barton Rendle (1865–1938)
- Renjifo, JM Juan Manuel Renjifo
- Renner, MAM Matt A.M. Renner
- Renner, O (Renner) Otto Renner (1883–1960)
- Renner, SC Swen C. Renner
- Renner, SS (S.S.Renner) Susanne Renner (1954– )
- Renobales, G (Renob.) Gustavo Renobales (1958– )
- Renous, S Sabine Renous
- Rentz, DCF David C.F. Rentz
- Renvoize, SA Stephen Andrew Renvoize (1944– )
- Renz, J (Renz) Jany Renz (1907–1999)
- Renzaglia, KS Karen S. Renzaglia
- Repenning, CA Charles Albert Repenning (1922–2005)
- Repenning, M Márcio Repenning
- Repin, YS Yu. S. Repin
- Réquien, E (Req.) Esprit Réquien (1788–1851)
- Reshchikov, AV (Reshchikov) Alexey V. Reshchikov
- Reshöft, K (Reshöft) Klaus Reshöft
- Resl, P (Resl) Philipp Resl
- Resser, CE Charles Elmer Resser (1889–1943)
- Restall, RL Robin L. Restall
- Restrepo, BL (Restrepo) Blanca Leonora Restrepo (1964– )
- Restrepo, JH Jorge Humberto Restrepo
- Restrepo S. Silvia Restrepo
- Retana-Salazar, AP Axel P. Retana-Salazar
- Retzer, ME Michael E. Retzer
- Retzius, AJ (Retz.) Anders Jahan Retzius (1742–1821)
- Reumer, JWF Jelle W.F. Reumer
- Reuss, A Adolph Reuss (1804–1878)
- Reuss, AE August Emanuel von Reuss (1811–1873)
- Reuss, AFT Albert Franz Theodor Reuss (1879–1958)
- Reuter, ER Enzio Rafael Reuter (1867–1951)
- Reuter, GF (Reut.) Georges François Reuter (1805–1872)
- Reuter, OM Odo Morannal Reuter
- Reutti, C Carl Reutti (1830–1894)
- Reveal, JL (Reveal) James Lauritz Reveal (1941– )
- Reverchon, E. (E.Rev.) Elisée Reverchon (1835–1914)
- Revilliod, P Pierre Revilliod
- Rexer, K-H (Rexer) Karl-Heinz Rexer
- Rey, C Claudius Rey (1817–1895)
- Reyes-Lopez, JL Joaquín L. Reyes-Lopez
- Reyment, RA Richard Arthur Reyment (1926−2016)
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