- Saad
- Saadi
- Saadia, Ben Yusef Al Fayumi
- Saavedra, Fajardo Diego de
- Saavedra Fajardo
- Sabato, Ernesto
- Sade, Marqués de
- Safo
- Sagan
- Sagan, Carl
- Saint-Beuve
- Saint-Evremont
- Saint-Evremont, Charles de
- Saint-Exupery
- Saint-Just, Louis de
- Saint-Pierre
- Saint-Simon
- Sales
- Sales, Francisco de
- Sallust
- Salm, Madame de
- Salomon
- Salustio, Cayo Crispo
- Salvador, Humberto
- Samaniego, Felix Maria de
- San Anselmo
- San Cristóstomo
- San Cyrano
- San Francisco de Asis
- San Ignacio de Loyola
- San Isidro
- San Jerónimo
- San Juan Crisóstomo
- San Juan de la Cruz
- San Martin, José de
- San Pablo
- Sanchez, Héctor
- Sánchez Vanegas, Julio E.
- Sand
- Sand, George
- Sand, Georges
- Sandburg, Carl
- Sandeau
- Sander
- Santa Teresa de Jesús
- Santamaria, Jorge
- Santayana
- Santayana, George
- Santayana, Jorge
- Santillana, Marqués de
- Santullano
- Sanz
- Sarcey
- Sartre
- Sartre, Jean Paul
- Sassoon, Siegfried
- Savary
- Savater, Fernando
- Say, Jean Baptiste
- Scheler
- Scheler, Max
- Schellin
- Scherer
- Schiller, Friedrich
- Schiller, Johann Chistoph
- Schindler, Alma
- Schonheim
- Schopenhauer
- Schopenhauer, Arthur
- Schopenhauer, Arturo
- Schreiner, S
- Schubert
- Schure, Eduardo
- Schweitzer, Albert
- Scott, Frank
- Scott, Sir Walter
- Scott, Walter
- Scribe
- Scuderi
- Scudery, Mademoiselle
- Sechelles, Herault de
- Secretan
- See
- Segur, Louis Phillippe, Conde de
- Selden, John
- Seles, San Francisco de
- Selgas, José
- Sem Tob
- Senacour
- Séneca
- Séneca, Lucio Anneo
- Senn, Petit
- Serge
- Serna, Ramón
- Serrat, John Manuel
- Servet
- Servio
- Setanti
- Settembrini, Luigi
- Sevigne
- Shadwell, Thomas
- Shaftesbury
- Shakespeare, William
- Shariff
- Shaw, George Bernard
- Shaw, H.W.
- Sheldon, Arthur F.
- Shelley
- Shelley, Percy
- Shelley, Percy Bysshe
- Sheridan
- Sheridan, Richard B.
- Sheriff
- Sherman, John
- Sherman, William Tecumseh
- Shidle, Norman G.
- Shirley, James
- Sica
- Sidney, Phillip
- Sierra
- Silesio, Angelo
- Silva, Carmen
- Silva, José A.
- Silva, Juan Manuel
- Simon
- Simonides De Amorgos
- Sims
- Sinclair
- Singer, Isaac B.
- Siro, Publio
- Sismondi
- Sixto
- Smiles, Samuel
- Smith, Adam
- Smith, Alexander
- Smith, Alfred E.
- Smith, Sydney
- Smith, Syrey
- Sócrates
- Sófocles
- Solis
- Solón
- Sombart
- Somericille, W
- Sor Juana Ines de la Cruz
- Sousa
- South
- Southey, Robert
- Spark
- Spellman, Cardenal
- Spencer, Herbert
- Spengler
- Spengler, Oswald
- Spenser
- Spielman, Ed
- Spinoza, Baruch
- Spinoza, Benedicto de
- Spurgeon
- Stael, Germaine
- Stael, Madame
- Stanislaw, Jerry Lee
- Stark, Johannes
- Stead
- Steele, Richard
- Steele, Wilburd
- Steinbeck, John
- Steiner
- Stendhal
- Stephens, James
- Sterling, Alfredo A.
- Sterne, Laurence
- Stevens
- Stevenson, Adlai
- Stevenson, Martha
- Stevenson, Robert Louis
- Stirner
- Stokowski, Leopold
- Stolberg
- Story, W. W.
- Stricker
- Strindberg
- Struempell, L
- Suarez
- Suárez, Marco Fidel
- Suetonio
- Summer, Charles
- Swedenborg
- Swift, Johnathan
- Syrus
- Syrus, Publio