- SABERHAGEN, Fred
- SAFRONOV, Jurij
- SAFRONOVA, Světlana
- SAGABALJAN, Ruslan
- SAGAN, Carl
- SAGAN, Nick
- SACHDEVA, Anjali
- SAKERS, Don
- SALAETS, Lael
- SALLEE, Wayne Allen
- SALVATORE, R. A.
- SAMATAR, Sofia
- SANDERS, Scott
- SANDERS, William
- SANDERSON, Brandon
- SANFORD, Jason
- SAPKOWSKI, Andrzej
- SARAMAGO, José
- SARGENT, Pamela
- SARRANTONIO, Al
- SAUL, John
- SAVČENKO, Vladimir
- SAVORY, Brett Alexander
- SAWASZKIEWICZ, Jacek
- SAWYER, Jamie
- SAWYER, Robert J.
- SAXTON, Josephine
- SCALZI, John
- SCANLON, Mitchel
- SCARBOROUGH, Elizabeth A.
- SCARPELLI, Mauro
- SCOFIDIO, M. R.
- SCOTT, Cavan
- SCOTT, Martin
- SCOTT, Robin S.
- SEABRIGHT, Idris
- SEDIA, Ekaterina
- SĘDZIKOWSKA, Mirosława
- SEIDMAN, Michael
- SELLAR, Gord
- SELLÉS, Víctor
- SEMBTEN, Malte S.
- SERLING, Rod
- SHANNON, Samantha
- SHAREE, Keith
- SHARKEY, Jack
- SHARMA, Priya
- SHARPSON, Neil
- SHAVER, Edward F.
- SHAW, Bob
- SHEA, Michael
- SHECKLEY, Robert
- SHEFFIELD, Charles
- SHELDON, Raccoona
- SHELLEY, Mary W.
- SHELLEY, Rick
- SHEPARD, Lucius
- SHERMAN, David
- SHERMAN, Delia
- SHERMAN, Josepha
- SHERRED, T. L.
- SHERWOOD, Jonathan
- SHETTERLY, Will
- SHINER, Lewis
- SHIRAS, Wilmar H.
- SHIRLEY, John
- SHOCKLEY, Gary W.
- SHOCKLEY, W. M.
- SHOEMAKER, Martin L.
- SHUMAN, George D.
- SHUNN, William
- SHVARTSMAN, Alex
- SHWARTZ, Susan
- SCHATTSCHNEIDER, Peter
- SCHÄTZING, Frank
- SCHAUB, Mary H.
- SCHILF, Wolfgang
- SCHIMEL, Lawrence
- SCHMITZ, James H.
- SCHNEIDER, Peter
- SCHNEYER, Kenneth
- SCHOENFELD, Howard
- SCHOW, David J.
- SCHWEITZER, Darrell
- SIA Ť'ia [=Xia Jia]
- SIEGEL, Barbara
- SIEGEL, Scott
- SIEWIERSKI, Jerzy
- SILECKIJ, Alexandr
- SILKE, James
- SILVERBERG, Robert
- SIMAK, Clifford D.
- SIMMONS, Dan
- SIMMONS, William Mark
- SIMON, Erik
- SIMON, Morris
- SIMSA, Cyril
- SINGH, Nalini
- SINGH, Vandana
- SINISALO, Johanna
- SKAFTUN, Emily C.
- SKALANDIS, Ant
- SKILLINGSTEAD, Jack
- SKIPP, John
- SLABEJ, Marek
- SLADEK, John
- SLAVČEV, Svetoslav
- SLESAR, Henry
- SMEDS, Dave
- SMIRNOV, Sergej
- SMITH, Clark Ashton
- SMITH, Cordwainer
- SMITH, David C.
- SMITH, Dean Wesley
- SMITH, Douglas
- SMITH, Evelyn E.
- SMITH, Gavin G.
- SMITH, George Henry
- SMITH, Michael Marshall
- SMITH, Nicholas Sansbury
- SMITH, Warren B.
- SMITTER, Wessel Hyatt (chybně SMITH, Wessel Hyatt)
- SMYTHE, James
- SNĚGOV, Sergej
- SNIEGOSKI, Thomas E.
- SNYDER, Lucy A.
- SNYDER, Midori
- SOESBEE, Ree
- SOMMERS, Jonathan Swift III.
- SOMTOW, S. P.
- SOUKUP, Martha
- SOULE, Charles
- SPANO, Charles, Jr.
- SPECTOR, Craig
- SPINRAD, Norman
- SPJUT, Stefan
- SPRINGER, Nancy
- SPRINGER, Sherwood
- SPRUNK, Jon
- ST. CLAIR, Margaret
- STABLEFORD, Brian
- STACKPOLE, Michael A.
- STAIG, Laurence
- STANTON, Will
- STAPLEDON, Olaf
- STAROBINĚC, Anna
- STASHEFF, Christopher
- STAVELEY, Brian
- STEELE, Allen M.
- STECHER, L. J., Jr.
- STEIBER, Ellen
- STEIN, Kevin T.
- STEINBERG, Werner
- STEINMÜLLER, Angela
- STEINMÜLLER, Karlheinz
- STEPHENSON, A. M.
- STEPHENSON, Neal
- STERLING, Bruce
- STERN, Philip Van Doren
- STERNBERG, Jacques
- STEVENS, James
- STEWART, Andrea
- STEWART, Ian
- STEWART, Mary
- STEWART, Sean
- STIEGLER, Marc
- STIRLING, S. M.
- STIVENS, Dal
- STIVERS, Carole
- STOCK, Stuart H.
- STODDARD, James
- STOVER, Matthew
- STOŽICKÁ, Zuzana
- STRAUB, Peter
- STRAUSS, Victoria
- STRETE, Craig
- STRICKLAND, Brad
- STRIEBER, Whitley
- STROSS, Charles
- STRUGAČTÍ, Arkadij a Boris
- STRUSIŃSKI, Jerzy
- STRUTHER, Jan
- STUART, Kiel
- STUFFLEBEAM, Bonnie Jo
- STURGEON, Theodore
- SUCHARITKUL, Somtow
- SULLIVAN, Edward S.
- SULLIVAN, James A.
- SULLIVAN, Michael J.
- SULLIVAN, Tricia
- SUMNER-SMITH, Karina
- SÜSKIND, Patrick
- SUSSEX, Lucy
- SVENSSON, Sten
- SWAINSTON, Steph
- SWALLOW, James
- SWAN, Richard
- SWANWICK, Michael
- SWEENEY-BAIRD, Christina
- SWETERLITSCH, Tom
- SWIRSKY, Rachel
- SZABLICKI, Janusz
- SZABÓ, Péter Szentmihályi
- SZAMEIT, Michael
- SZREJTER, Artur C.
- ŠACH, Georgij
- ŠAJCHOV, Chodžiakbar
- ŠAŤKO, Jevgenij
- ŠČEPKA, Miloš
- ŠČERBAKOV, Alexandr
- ŠČERBAKOV, Vladimir/Volodymyr
- ŠEFNER, Vadim
- ŠUKŠIN, Vasilij
- ŠVEDOV, Alexandr
- ŠVERCEL, Miro