Filippo Sabetti
Andrew Sabl
Jean-François Saint-Lambert
Charles Irénée Castel, abbé de Saint-Pierre
George Sale
Joseph T. Salerno
Pascal Salin
Gaius Sallustius Crispus (Sallust)
Samuel
Richard Samuelson
Timothy Sandefur
Ellis Sandoz
Brian Satterfield
David Saunders
Frédéric Sautet
Friedrich Carl von Savigny
Girolamo Savonarola
Horace Émile Say
Jean-Baptiste Say
David S. Schaff
Albert Schatz
Friedrich Schiller
James T. Schleifer
Eric Schliesser
Alexander Schmid
Clemens Schneider
Helmut Schoeck
Brian Schoen
Committee of the Association of American Law Schools
Peter Schröder
Mark C. Schug
Joseph Schumpeter
Anna J. Schwartz
Paul Schwennesen
Andrew R. Scoble
James Brown Scott
William Amasa Scott
Vida Dutton Scudder
Ruth Scurr
Peter Paul Seaton Jr.
Walter John Sedgefield
Theodore Sedgwick, Jr.
Michael J. Seidler
Lewis Amherst Selby-Bigge
Arthur Seldon
George A. Selgin
J.W. Semple
Nassau William Senior
Catriona Seth
Anthony Ashley Cooper, Earl of Shaftesbury
William Shakespeare
George Sharswood
George Bernard Shaw
Reverend J.F. Shaw
Jeremy Shearmur
Colleen A. Sheehan
Mary Wollstonecraft Shelley
Percy Bysshe Shelley
Richard Herne Shepherd
Steve Shepherd
Roger Sherman
Jonathan Shipley
Bartholomew Shower
Evelyn Shirley Shuckburgh
King Shudraka
Algernon Sidney
Michael Silverthorne
Mary Charlotte Mair Simpson
Anonymous (Sincerus)
Ljubo Sirc
Jean Charles Léonard Simonde de Sismondi
Walter W. Skeat
Quentin Skinner
Aeon J. Skoble
Sarah Skwire
Stephanie Slade
William A. Smart
Oliphant Smeaton
Samuel Smiles
Adam Smith
Andrew Smith
Bruce Smith
Dale R. Smith
Erec Smith
Gary Scott Smith
George H. Smith
Goldwin Smith
Josh T. Smith
Mary Campbell Smith
Melanchthon Smith
Sarah Morgan Smith
Vera C. Smith
Vernon L. Smith
William Smith
William George Pogson Smith
Tobias Smollett
Socrates
King Solomon
Ilya Somin
William Edward Soothill
Sophocles
Jason Sorens
Juichi Soyeda
Louis M. Spadaro
Hannah Spahn
Francis Edward Sparshott
Herbert Spencer
Edmund Spenser
Benedict de Spinoza
Lysander Spooner
Piero Sraffa
Germaine de Staël
Elizabeth Cady Stanton
Dane Starbuck
Joshua Steele
Peter G. Stein
James Stephen
James Fitzjames Stephen
Elaine Sternberg
Cara Rogers Stevens
F.H. Stevens
Dugald Stewart
George J. Stigler
Jack Stillinger
James Reist Stoner Jr.
Virgil Henry Storr
John St Loe Strachey
Leo Strauss
James Herbert Strawley
Edward Peter Stringham
Joseph R. Stromberg
Richard Stroup
Snorre Sturlason
Francisco Suárez
Micheál Ó Súilleabháin
William Graham Sumner
Joanna Szurmak