- OLDHAM, Charles Frederick
- OLDHAM, William Benjamin
- OLESEN, Elof
- OLIPHANT, Samuel Grant
- OLIVEIRA, João de
- OLIVER, Revilo Pendleton
- OLLIVIER-BEAUREGARD, Gratien-Michel
- OLMSTEAD, Albert Ten Eyck
- OLSCHAK, Blanche Christine
- OLSHAUSEN, Justus
- OLTRAMARE, Jean Paul Gamaliel
- OMAN, John Campbell
- ONDAATJE, Matthew Jurgen
- OPPERT, Gustav Salomon
- OPPERT, Jules (Julius O.)
- ORANSKIJ, Iosif Mihajlovič
- ORAZIO DELLA PENNA DI BILLI, Francesco (Franciscus Horatius a Pennabilli; lay Olivieri)
- ORIANNE, Georges-Barthélemy
- ORLICH, Leopold von
- ORME, Robert
- ORTA, García d’ (G. de Orta, ab Horto, del Jardin; Anrique de Orta)
- ORTERER, Georg
- ORVILLE, Albert d’
- OSIPOV, Aleksandr Mihajlovič
- OSSOWSKI, Juliusz Jan
- OSTER, Ludwig
- OSTHOFF, Caspar Carl Heinrich Gottfried Emil Franz Hermann
- OŠTIR, Karel
- OTRĘBSKI, Jan.
- OTTO, Rudolf Louis Karl
- OUSELEY, Joseph Walker Jasper
- OVSJANIKO-KULIKOVSKIJ, Dmitrij Nikolaevič
- PACKARD, William Alfred
- PAES, D
- PAGE, James Alfred.
- PAGE, Walter Sutton
- PAGLIARO, Antonino
- PAHALINA, Tat’jana Nikolaevna
- PAHOMOV, Evgenij Aleksandrovič
- PALMBLAD, Vilhelm Fredrik
- PANDER, Eugen
- PANGBORN, Cyrus Ransom
- PANKRATOV, Boris Ivanovič
- PAPESSO, Valentino
- PAPINIU, Eugen
- PAPPACENA, Enrico
- PARFIONOVIČ, Iosif Nikolaevič
- PARGITER, Frederick Eden
- PARISOT, C.-C.-Valentin
- PARKER, Henry
- PARSONS, F. C.
- PARSONS, Francis Cotton
- PASPATIS, Alexandros
- PASTOR RODRÍGUEZ, Julián
- PAUL, A.
- PAUL, Frieda.
- PAUL, Hermann
- PAUL, Otto
- PAUL, S. C.
- PAULI, Carl
- PAULI, Carl Eugen
- PAULINUS A SANCTO BARTHOLOMAEO
- PAULY, Else Margarete
- PAUTHIER, Jean-Pierre-Guillaume
- PAVIE, Théodore Marie
- PAVOLINI, Paolo Emilio
- PAX, Elpidius
- PAYNE, Ernest Alexander
- PEARSON, James (Jim) Douglas
- PEARSON, Joseph
- PEDERSEN, Holger
- PEET, J.
- PEILE, John.
- PEIPER, Carl Rudolph Samuel.
- PELLIOT, Paul
- PELLIOT, Paul.
- PENZER, Norman Mosley
- PENZL, Herbert
- PEPPE, Thomas Frazer
- PEPPE, William
- PEPPE, William Claxton
- PEREIRA, António Pinto
- PEREIRA, Jacinto
- PERINI, Osvaldo
- PEROGLIO, Celestino
- PERRIN, Marshall Livingston
- PERRY, Edward Delavan
- PERRY, Thomas Erskine
- PERSSON, Per.
- PERTOLD, Otakar
- PERTSCH, Ludwig Karl Wilhelm
- PETER, Friedrich A.
- PETER, His Royal Highness, Prince of Greece and Denmark
- PETERSEN, Walter
- PETERSON, Mihail Nikolaevič
- PETERSON, Peter
- PETERSSON, John Kristian Herbert
- PETROV, A. A.
- PETROV, Pavel Jakovlevič
- PETROVSKIJ, Nikolaj Fedorovič
- PETRUNIČEVA, Zorja Nikolaevna
- PETTAZZONI, Raffaele
- PÉTURSON, Sigurđur Kristófer
- PEZZI, Domenico
- PFUNGST, Arthur
- PHAYRE, Arthur Purves
- PHEAR, John Budd
- PHILIPPI, Friedrich Wilhelm Martin
- PHILIPSBORN, Alexander.
- PHILLIPS, Maurice
- PHILLOT, Douglas Craven
- PIČIKJAN, Igor Rubenovič
- PICKFORD, John
- PICTET, Adolphe
- PIET, John Henry
- PIGGOTT, Stuart
- PIGULEVSKAJA, Nina Viktorovna
- PIKE, John Gregory
- PILLAI, Arunachala Sadasivam
- PIMENTA, Nicolaus
- PIMENTEL, Manuel Carvalho
- PINCOTT, Frederic
- PINNA, Emilio
- PISANI, Vittore
- PISCHEL, Richard
- PITTMAN, Richard Saunders
- PIZZAGALLI, Angelo Maria
- PIZZI, Italo
- PLĀḲIS, Junis
- PLATNER, Samuel Ball
- PLATTS, John Thompson
- PLUNKET, Emmeline Mary
- PLÜTSCHOW, Heinrich
- POBOŻNIAK, Tadeusz
- POELMEIJER, Ronald Herman
- POGOR, Vasile
- POHRT, Hermann
- POKORNY, Julius
- POLEMAN, Horace Irvin
- POLEY, Karl August Ludwig (Louis)
- POLIER, Antoine-Louis-Henri
- POLO, Marco
- PONS, Jean François
- POPE, George Uglow
- POPLEY, Herbert Arthur
- POPOV, Aleksandr Vasil’evič
- POPPE, Nicholas
- POŘÍZKA, Vincenz
- PORTMAN, Maurice Vidal
- PORZEZIŃSKI, Wiktor Jan
- PORZIG, Walter
- POSCH, Udo
- POŠKA, Antanas Jonas
- POSTANS, J.
- POSTANS, Thomas
- POTEBNJA, Oleksandr Opanasovyč
- POTT, August Friedrich
- POTT, Pieter Hendrik
- POTTINGER, Henry
- POUCHA, Pavel
- POULTNEY, James Wilson
- PRATT, James H.
- PRELLWITZ, Walther
- PRENDERGAST, Thomas
- PRESLER, Henry Hughes
- PRIAULX, Osmond de Beauvoir
- PRICE, David
- PRICE, John Frederick
- PRICE, William
- PRINCE, John Dyneley
- PRINGLE, Arthur Torrens
- PRINSEP, Henry Thoby
- PRINSEP, James
- PRINTZ, Wilhelm
- PROCHÁZKA, Václav
- PROENÇA, Antem de
- PROOIJE-SALOMONS
- PRZIKRIL (PŘIKRYL), Karel
- PRZYLUSKI, Jean
- PUINI, Carlo
- PULLÈ, Francesco Lorenzo
- PUTJATA, Aleksej Dmitrievič.
- PUTYATA, Aleksej K.
- PYRARD DE LAVAL, François
- QUACKENBOS, Georg Payn
- QUATREMÈRE, Étienne-Marc
- QUEYROZ, Fernão de
- QUILES Sánchez, Ismael
- QUIN, Ernest Gordon
- RAABE, Christine Henriette
- RABE, Carl
- RABIN, Chaim Menachem
- RADCLIFFE-BROWN, Alfred Reginald
- RAFFLES, Thomas Stamford
- RAGOZIN, Zenaide Alekseevna
- RAHDER, Johannes
- RAHMANN, Rudolph
- RAMOS DE ANDRES, Justo
- RAMPOLLA DEL TINDARO, Mariano
- RAMSTEDT, Gustaf John
- RANDLE, Herbert Niel
- RANKE, Kurt
- RAPSON, Edward James
- RASK, Rasmus Christian
- RASMUSSEN, Harald
- RAU, Heimo
- RAU, Wilhelm
- RAVENSHAW, Edward Cockburn
- RAVERTY, Henry George
- RAWLINSON, George
- RAWLINSON, Henry Creswicke
- RAWLINSON, Hugh George
- RAWSON, Joseph Nadin
- RAWSON, Philip Stanley
- REA, Alexander
- RECZEK, Józef
- REES, John David
- REEVE, William
- REGAMEY, Constantin
- REGNAUD, Paul
- REGNIER, Jean-Auguste-Adolphe
- REHATSEK, Edward
- REICHELT, Hans
- REINAUD, Joseph-Toussaint
- RELAND, Adriaan (Hadrianus Relandus)
- REMPIS, Christian Herrnhold
- REMUSAT
- REMY, Arthur Frank Joseph
- RENAUDOT, Eusèbe
- RENNEL, James
- RENOU, Louis Marie Joseph
- REUTER, Julio Natanael
- REVILLA Y MORENO, Manuel de la
- RÉVILLE, Albert
- RHENIUS, Karl Theophilus Ewald
- RHYS DAVIDS, Caroline Augusta Foley
- RHYS DAVIDS, Thomas William
- RIBEIRO, João
- RIBEZZO, Francesco
- RICE, Benjamin Holt
- RICE, Benjamin Lewis
- RICE, Edward Peter
- RICE, Henry
- RICE, Stanley
- RICHARDSON, Hugh Edward
- RICHTER, Paul Oswald
- RICKMERS, Mrs.
- RIDDING, C. Mary
- RIEKER, Hans-Ulrich
- RIEU, Charles Pierre Henri
- RIMKA, Albinas
- RISCH, Ernst
- RISLEY, Herbert Hope
- RITTER, Pavlo Grigorovič (Pavel Grigor’evič Ritter)
- RIVARA, Joaquim Heliodoro da Cunha
- RIVERO GODOY, Francisco María
- RIVERS, W. H. R.
- RIVETT-CARNAC, John Henry
- RIVETTA, Pietro Silvio
- ROADARMEL, Gordon C.
- ROBERTS, Ernest Stewart
- ROBERTS, Sydney Gordon
- ROBERTSON, George Scott
- ROBERTSON, William
- ROBINSON, Richard H.
- ROCA LÓPEZ, Pedro.
- ROCCA, Vittorio
- ROCK, Joseph Francis
- ROCKHILL, William Woodville
- RODET, Jean
- RODGERS, Charles James
- RODRÍGUES PINILLA, Tomás
- ROE, Charles
- ROE, Thomas
- ROENAU, Ernst
- RÖER, Johann Heinrich Eduard
- ROERICH (Rerih), Nikolai Konstantinovič
- ROERICH, Georg N. (Jurij Nikolaevič Rerih)
- ROGER, Abraham
- ROGERS, George Gordon
- ROGERS, Henry Thomas
- ROLLAND, Pierre
- ROLLAND, Romain
- ROMER, John
- RÖNNOW, Kasten Anders
- ROOKE, George Harry
- ROOS-KEPPEL, George
- ROSE, Horace Arthur
- ROSEN, Friedrich
- ROSEN, Friedrich
- ROSEN, Friedrich August
- ROSENBAUM, Ernst
- ROSENBERG, F
- ROSENBERG, O.
- ROSS-KEPPEL, George
- ROSS, Edward Denison
- ROST, Reinhold
- ROTH, Heinrich
- ROTH, Walter Rudolf (von)
- ROTTLER, Johann Peter
- ROUSE, William Henry Denham
- ROUSSEL, Alfred
- ROVIRALTA BORREL, José
- ROWLAND, Benjamin Jr.
- ROWLANDS, Jane Helen
- ROXBURGH, William
- ROYLE, John Forbes
- ROZENBERG, Fridrik Aleksandrovič
- ROZENBERG, Otton Ottonovič
- ROZWADOWSKI, Jan Michał
- RUBEN, Walter
- RÜCKERT, Friedrich
- RÜDIGER, Johann Christian Christoph
- RUDIN, Semën Gesselevič.
- RUDNICKI, Mikołaj
- RUELL, Johannes
- RUNDALL, Frank Montagu
- RUPP, Joseph
- RUTGERS, Antonie
- RYDER, Arthur William
- RYLANDS, C. J.
- RYLANDS, Cyril Alexander
- RYSIEWICZ, Zygmunt
- SABBATHIER, Paul
- SACHAU, Eduard
- SADOUS, Alfred de
- SAFAREWICZ, Jan
- SAGI, Alexander
- ŞĂINEANU (Sainéan), Lazar
- SAINT-MARTIN, Antoine-Jean
- SALDANHA, Antonio de
- SALDANHA, Mariano José
- SALEMANN, Carl G. (Karl Germanovič Zaleman)
- SALISBURY, Edward Elbridge
- SALOMONS (Prooije-S.), Henriette Johanna Wilhelmina
- SALVIONI, Carlo
- SALYS, Antanas
- SAMPSON, John
- SAMUELLS, Edward Alexander.
- SAMUELLS, William Leycester
- SANCTO BARTHOLOMAEO
- SANDBERG, Graham
- SANDERSON, Daniel.
- SANDFORD, W.
- SANGERMANO, Vincentius.
- SANTA ANNA (Santana), Francisco Xavier de
- SANTA RITA E SOUSA, Jose
- SANTANA RODRIGUES, António Aleixo de.
- SÃO MIGUEL, Gaspar de
- SASSETTI, Filippo
- SAUER, W
- SAUNDERS, Arthur Leslie
- SAUNDERS, Kenneth J.
- SAUNDERS, Virginia
- SAUSSURE, Ferdinand de
- SAVIDGE, Frederick William
- SCALABRINO BORSANI, Giuseppina
- SCALIGERO, Massimo
- ŠČERBATSKOJ, Fëdor Ippolitovič (Theodor Scherbatskoy) Keltse
- SCERBO, Francesco
- SCHACHT, Hans
- SCHACK, Adolf Friedrich, Graf von
- SCHAEDER, Hans Heinrich
- SCHAFER, R.
- SCHÄFFER, Philipp.
- SCHARPÉ, Adriaan Alberik Maria
- SCHAUFFELBERGER, Daniel Franz.
- SCHAYER, Stanisław
- SCHEFTELOWITZ, Isidor
- SCHELLER, Meinrad
- SCHENKL, Karl
- SCHERER, Anton
- SCHERMAN, Christine
- SCHERMAN, Lucian
- SCHERZL, Robert (Robert Ivanovič Šercl)
- SCHERZL, Vincenz (Vikentij Ivanovič Šercl)
- SCHIEFNER, Franz Anton (A. A. Šifner)
- SCHIERLITZ, Ernst
- SCHIERN, Frederik Eginhard Amadeus
- SCHILLING VON CANSTADT, Paul, Freiherr (Pavel Lvovič, Baron)
- SCHINDLER, Jochem
- SCHIRMEISEN, K.
- SCHLAGINTWEIT-SAKÜNLÜSKI, Hermann von
- SCHLAGINTWEIT, Adolf
- SCHLAGINTWEIT, Emil
- SCHLAGINTWEIT, Robert von
- SCHLEGEL, August Wilhelm von
- SCHLEGEL, Karl Wilhelm Friedrich
- SCHLEICHER, August
- SCHLUMBERGER, Daniel.
- SCHMIDT, Erich Friedrich
- SCHMIDT, Gernot
- SCHMIDT, Gernot
- SCHMIDT, Heinrich Wilhelm Arnold
- SCHMIDT, Isaak Jakob
- SCHMIDT, Johannes Friedrich Heinrich
- SCHMIDT, József
- SCHMIDT, Kurt
- SCHMIDT, Richard
- SCHMIDTS, Peter
- SCHMITT, Alfred
- SCHMÖLDERS, Franz August
- SCHNEIDER, Ulrich
- SCHOEBEL, Charles (Karl)
- SCHOFF, Wilfred Harvey
- SCHÖHL, Hermann
- SCHOLBERG, Henry Caesar
- SCHOMERUS, Hilko Wiardo
- SCHÖNBERG, Ignaz
- SCHÖNFELD, Karl
- SCHÖNWERTH, Sigurd.
- SCHOR, R. I.
- SCHOTERMAN, Jan Anthony
- SCHOTSMAN-WOLFERS, Janine
- SCHOTT, Wilhelm
- SCHRADER, Friedrich
- SCHRADER, Friedrich Otto
- SCHRADER, Otto
- SCHRAM, Robert
- SCHRIJNEN, Joseph Charles François Hubert
- SCHRÖDER, Dominik
- SCHRÖDER, Leopold Alexander von
- SCHRÖTER, Friedrich Christian Gotthelf
- SCHRÖTER, Julius Erich
- SCHUBERT, Johannes
- SCHUBRING, Walter
- SCHULEMANN, Günther
- SCHULEMANN, Werner
- SCHULTZE, Benjamin
- SCHULTZE, Theodor
- SCHULZ, Friedrich Eduard
- SCHULZE, Wilhelm
- SCHURHAMMER, Georg
- SCHÜTZ, Carl
- SCHUYLER, Montgomery
- SCHWAB, Julius
- SCHWAB, Raymond.
- SCHWANBECK, Erwin Alexis
- SCHWARTZ, Ben
- SCHWARTZ, Christian Friedrich
- SCHWEIZER-SIDLER, Heinrich
- SCHWENTNER, Ernst
- SCHWYZER, Eduard
- SCOTT, Hugh Robert
- SCOTT, Jonathan
- SCRIBA, Karl
- ŠEBESTOVÁ, Anna
- SEDDON, Charles Norman
- SEDGWICK, L. J.
- SEELY, John Benjamin
- SEGERSTEDT, Torgny
- SEIDENSTÜCKER, Karl (Girimānanda)
- SELIGMANN, Brenda Zara
- SELIGMANN, Charles Gabriel
- SELLE, Götz von
- SEMENCOV, Vsevolod Sergeevič
- SEMIČOV, Boris Vladimirovič
- SENART, Émile Charles Marie
- SENN, Alfred
- ŠERCL, Vikentij Ivanovič
- SEREBRJAKOV, Igor’ Dmitrievič
- SEWELL, Robert Beresford Seymour
- SHAFER, Robert Lloyd
- SHAKESPEAR, John
- SHAKESPEAR, John. Lount, Staunton-Herald
- SHARPE, Phoebe Elizabeth
- SHAW, Robert Barkley
- SHAW, William
- SHERRING, Matthew Atmore
- SHIRT, George
- SHORE, John
- SIAUVE, Suzanne
- SICÉ, François Eugène
- SIDDONS, George Richard
- SIECKE, Ernst Ludwig Albert Karl
- SIEG, Emil H.
- SIEGFRIED, Rudolf Thomas
- SIEGLING, Wilhelm
- SIERKSMA, Fokke
- SIEVERS, Eduard
- SIIGER, Halfdan
- SILBURN, Lilian
- SILVERSTONE, Marilyn
- SILVESTRE DE SACY, Antoine Isaac
- SIMENSCHY, Theofil
- SIMON, Ernst Julius Walter
- SIMON, Richard
- SIMONSSON, Nils
- SIMPSON, William
- SINGER, Milton Borah
- ŠIRJAEV, M. A.
- SITTIG, Ernst
- SKEEN, W.
- SKÖLD, Johannes (Hannes) Evelinus
- SKREFSRUD, Laurentius (Lars) Olav
- SKRINE, Francis Henry Bennett
- SKURZAK, Ludwik
- SLÁDEČEK, Bohumil
- SLEEMAN, William Henry
- SLIJEPČEVIĆ, Pero
