Name
- Sampson, ship, 1783-17871
- Sandwich, ship, 1745-17611
- Sarum, ship, 1715-17281
- Sceptre, ship, 1695-17011
- Secretary of State for India, United Kingdom, 1858-19351
- Secretary of State for the Colonies, United Kingdom, 1854-19661
- Severn, ship, 1741-17511
- Shaftesbury, ship, 1749-17611
- Shatt al-Arab Navigation Commission, c 1913-1
- Shrewsbury, ship, 1767-17801
- Somers, ship, 1699-17151
- Stanhope, ship, 1714-17281
- Star, ship, 1618-16331
- Streatham, ship, 1700-17141
- Streatham, ship, 1746-17591
- Stringer, ship, 1706-17171
- Suffolk, ship, 1749-17611
- Sultan of Lahej, 1728-19671
- Sultan of Muscat and Oman, Āl Bū Sa‘īd Dynasty, 1861-19701
- Sunderland, ship, 1718-17291