- Sinding, Otto Ludvig
- Sinus, Frank
- Sivartha, Dr. Alesha (Arthur E. Merton ?)
- Sliegh, John
- Smith, John Thomas
- Souze, Auguste
- Sowerby, George Brettingham I
- Sowerby, George Brettingham II
- Specht, Friedrich
- Speed, Lancelot
- Staal, Gustave
- Stanfield, Clarkson
- Steinheil, Louis
- Steinlen, Théophile-Alexandre
- Stephanoff, Philip Francis
- Sterrett, Virginia Frances
- Stone, Frank
- Strang, William
- Stroobant, François
- Stroobant, Louis-Constantin
- Stroobant, P.
- Sullivan, Edmund Joseph
- Sulman,T., Jun.
- Tardif-Desvaux, Théophile
- Taylor, William Ladd
- Tenniel, John
- Thérond, Émile
- Thomas, George Housman
- Thomson, Hugh
- Thorburn, Archibald
- Thornton, Robert John
- Tit, Tom (Arthur Good)
- Tofani, Oswaldo
- Toudouze, Édouard
- Traviès de Villers, Charles-Joseph
- Traviès, Édouard