- Riou, Édouard
- Roberts, David
- Robida, Albert
- Robinson, C.
- Robinson, Charles
- Robinson, Frederick Cayley
- Robinson, William Heath
- Rogers, William Harry
- Rose, Victor
- Rowlandson, Thomas
- Rudder, Louis-Henri de
- Ruskin, John
- Sand, Maurice
- Sandoz, Auguste
- Sandys, Frederick
- Santerre, Jean-Baptiste
- Sargent, John Singer
- Scharf, Johann Georg
- Schuler, Théophile
- Scott, William Bell
- Seaver, Robert
- Sharles, H.
- Shaw, Byam
- Shepherd, George
- Sickert, Walter
- 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