- Sauers, Chas. G. (Charles G.)1
- Sauers, Chas. G. (Charles G.),compiler.1
- Saunders, J. D. (Cartographer)1
- Sayler, Nelson1
- Schneider, Allan F. (Allan Frank),1926-cartographer.1
- Schroeder, Frank C.1
- Schwender, William A., cartographer.1
- Shaffer, Nelson R.1
- Shartle, Stanley Musgrave, cartographer.1
- Shearin, A. E.1
- Shockley, Ernest V. (Ernest Vivian),1878-19241
- Siebenthal, C. E.(Claude Ellsworth), 1869-1930, cartographer.1
- Simmons, C. S. (Charles Shaffer),1900-cartographer.1
- Slipher, J. A.1
- Smith, Ansel R.1
- Snider, Luther C. (Luther Crocker),1882-19471
- Sowder, Kimberly H.1
- Stapleton, John T., cartographer.1
- Stemler, Chester F.1
- Stevens, E. H. (Edmund H.),1892-cartographer.1