- Sachar, Louis (1 book, 2 awards)
- Salisbury, Graham (1 book, 1 award)
- Salvadori, Mario (1 book, 1 award)
- San Souci, Robert D. (2 books, 2 awards)
- Sandler, Martin (1 book, 1 award)
- Sandoz, Mari (1 book, 1 award)
- Sattler, Helen Roney (2 books, 2 awards)
- Sauer, Julia (2 books, 2 awards)
- Savadier, Elivia (1 book, 1 award)
- Sawyer, Ruth (1 book, 1 award)
- Say, Allen (2 books, 3 awards)
- Sayre, April Pulley (1 book, 1 award)
- Scanlon, Liz Garton (1 book, 1 award)
- Schaefer, Carole Lexa (2 books, 2 awards)
- Schaefer, Jack (1 book, 1 award)
- Schaefer, Lola M. (1 book, 1 award)
- Schanzer, Rosalyn (1 book, 1 award)
- Schertle, Alice (1 book, 1 award)
- Schlee, Ann (1 book, 1 award)
- Schlitz, Laura Amy (2 books, 2 awards)
- Schmidt, Gary D. (2 books, 2 awards)
- Schmidt, Sarah (1 book, 1 award)
- Schneider, Josh (1 book, 1 award)
- Schreiber, Georges (1 book, 1 award)
- Schubert, Leda (1 book, 1 award)
- Schulman, Arlene (1 book, 1 award)
- Schusterman, Neal (1 book, 1 award)
- Schwartz, Amy (2 books, 2 awards)
- Schwartz, David M. (1 book, 1 award)
- Schyffert, Bea Uusma (1 book, 1 award)
- Scieszka, Jon (1 book, 1 award)
- Seabrooke, Brenda (1 book, 1 award)
- Seeger, Elizabeth (1 book, 1 award)
- Seeger, Laura Vaccaro (4 books, 5 awards)
- Selden, George (1 book, 1 award)
- Selznick, Brian (1 book, 1 award)
- Sendak, Maurice (8 books, 9 awards)
- Sepetys, Ruta (1 book, 1 award)
- Seredy, Kate (4 books, 4 awards)
- Seuss, Dr. (3 books, 3 awards)
- Sewall, Marcia (1 book, 1 award)
- Sewell, Helen (1 book, 1 award)
- Shannon, David (3 books, 3 awards)
- Shannon, George (1 book, 1 award)
- Shannon, Monica (1 book, 1 award)
- Shea, Pegi Deitz (1 book, 1 award)
- Sheinkin, Steve (2 books, 4 awards)
- Shippen, Katherine (2 books, 2 awards)
- Shulevitz, Uri (3 books, 5 awards)
- Sidman, Joyce (4 books, 5 awards)
- Siegal, Aranka (2 books, 2 awards)
- Siegel, Siena Cherson (1 book, 1 award)
- Silverman, Erica (1 book, 1 award)
- Simont, Marc (2 books, 3 awards)
- Singer, Isaac Bashevis (3 books, 3 awards)
- Singer, Marilyn (1 book, 1 award)
- Singmaster, Elsie (1 book, 1 award)
- Sis, Peter (5 books, 8 awards)
- Siy, Alexandra (1 book, 1 award)
- Skurzynski, Gloria (1 book, 1 award)
- Slade, Arthur (1 book, 1 award)
- Sleator, William (1 book, 2 awards)
- Slepian, Jan (1 book, 1 award)
- Smith, Doris Buchanan (1 book, 1 award)
- Smith, Emma (1 book, 1 award)
- Smith, Jeff (1 book, 1 award)
- Smith, Jr., Charles R. (1 book, 1 award)
- Smith, Lane (1 book, 1 award)
- Smith, Linda (2 books, 2 awards)
- Snedeker, Caroline (2 books, 2 awards)
- Snow, Richard (1 book, 1 award)
- Snyder, Diane (1 book, 2 awards)
- Snyder, Zilpha Keatley (3 books, 3 awards)
- Soltis, Sue (1 book, 1 award)
- Sorensen, Virginia (1 book, 1 award)
- Speare, Elizabeth George (3 books, 3 awards)
- Sperry, Armstrong (2 books, 2 awards)
- Spier, Peter (3 books, 3 awards)
- Spinelli, Jerry (3 books, 4 awards)
- Stanley, Diane (4 books, 5 awards)
- Stanley, Jerry (3 books, 3 awards)
- Staples, Suzanne Fisher (1 book, 1 award)
- Stead, Philip C. (1 book, 2 awards)
- Stead, Rebecca (1 book, 2 awards)
- Steele, Mary Q. (1 book, 1 award)
- Steele, William O. (1 book, 1 award)
- Steig, William (5 books, 7 awards)
- Stein, David Ezra (2 books, 2 awards)
- Steptoe, John (2 books, 3 awards)
- Stevens, Janet (1 book, 1 award)
- Stevenson, James (1 book, 1 award)
- Stewart, Melissa (1 book, 1 award)
- Stewart, Sarah (1 book, 1 award)
- Stobbs, William (1 book, 1 award)
- Stock, Catherine (1 book, 1 award)
- Stolz, Mary (2 books, 2 awards)
- Stone, Helen (2 books, 2 awards)
- Stone, Tanya Lee (2 books, 4 awards)
- Stong, Phil (1 book, 1 award)
- Stroud, Jonathan (1 book, 1 award)
- Sturges, Philemon (1 book, 1 award)
- Stutson, Caroline (2 books, 2 awards)
- Stuve-Bodeen, Stephanie (1 book, 1 award)
- Sullivan, George (1 book, 1 award)
- Sullivan, Mary (1 book, 1 award)
- Sutcliff, Rosemary (3 books, 3 awards)
- Swanson, Diane (1 book, 1 award)
- Swanson, Susan Marie (2 books, 2 awards)
- Sweet, Melissa (1 book, 4 awards)
- Swift, Hildegarde (2 books, 2 awards)
- Taback, Simms (2 books, 2 awards)
- Tafolla, Carmen (1 book, 1 award)
- Tafuri, Nancy (1 book, 1 award)
- Tamarin, Alfred (1 book, 1 award)
- Tanaka, Shelley (1 book, 1 award)
- Taylor, Mildred D. (2 books, 3 awards)
- Telgemeier, Raina (1 book, 1 award)
- Thayer, Ernest (1 book, 1 award)
- Thesman, Jean (1 book, 1 award)
- Thimmesh, Catherine (1 book, 2 awards)
- Thompson, Lauren (1 book, 1 award)
- Thomson, Peggy (1 book, 1 award)
- Thomson, Ruth (1 book, 1 award)
- Thomson, Sarah L. (1 book, 1 award)
- Thurber, James (1 book, 1 award)
- Tietjens, Eunice (1 book, 1 award)
- Tillage, Leon Walter (1 book, 1 award)
- Timberlake, Amy (2 books, 2 awards)
- Tolan, Stephanie S. (1 book, 1 award)
- Torrey, Marjorie (2 books, 2 awards)
- Toten, Teresa (1 book, 1 award)
- Townsend, John Rowe (1 book, 1 award)
- Treffinger, Carolyn (1 book, 1 award)
- Tresselt, Alvin (1 book, 1 award)
- Tripp, Wallace (1 book, 1 award)
- Trumbore, Cindy (2 books, 2 awards)
- Tudor, Tasha (2 books, 2 awards)
- Tunis, Edwin (1 book, 1 award)
- Tunnell, Michael O. (1 book, 1 award)
- Turkle, Brinton (1 book, 2 awards)
- Turnage, Sheila (1 book, 1 award)
- Turner, Megan Whalen (2 books, 2 awards)
- Turner, Pamela S. (2 books, 2 awards)
- Turner, Sandy (1 book, 1 award)
- Turska, Krystyna (1 book, 1 award)