s
- Samuel Bell & Son (American, c. 1882–1900) [1]
- Harry Sefarbi (American, 1917 - 2009) [1]
- Luigi Settanni (American, 1908–1984) [10]
- Georges Seurat (French, 1859–1891) [3]
- Willoughby Shade (American, active 1840–1866) [1]
- Shen Shichong (Chinese, active 1611–1640) [1]
- Florence Shubert (American, 1920–2004) [1]
- Paul Signac (French, 1863–1935) [5]
- Alfred Sisley (British, active in France, 1839–1899) [2]
- Samuel Slank (American) [1]
- John Sloan (American, 1871–1951) [2]
- Nicolás Solano (Spanish, Aragonese, active early 15th century) [1]
- South German Master [1]
- Chaim Soutine (Russian, active in France, 1893–1943) [20]
- Gherardo Starnina (Italian, Florentine, c. 1360–before 1413) [1]
- Maurice Sterne (American, 1877–1957) [2]