Name
- Smith, W H, Captain1
- Smyth, Edward C, acting 2nd master HMS Miranda1
- Smyth, James Carmichael-, 1st Baronet, army officer and colonial governor, 1779-18381
- Soter, Denis Julien, army officer and French royalist, fl 1747-17931
- Spratt, F, Captain of HMS 'Spitfire'1
- St Hilaire, P A de, Captain military engineer1
- St Julien, François1
- Staines, F1
- Steinwehr, J F C, army officer and mapmaker, fl 17281
- Stenbock, Magnus, Count Swedish general1
- Stewart, A M, military draughtsman1
- Stoeltzel, Carl Gottlieb, of the Leibcorps1
- Stokes, —, master HMS Spitfire1
- Strachey, —, Lieutenant Bengal Engineers1
- Strassburger, F A, military draughtsman1
- Suchodoletz, J M, military draughtsman1
- Tayler, Joseph, Captain HMS Charles1
- Thompson, —, Lieutenant1
- Tilbury Fort, Essex1
- Tilger, Rudolf Christoph, military draughtsman1