A number of sailing ships have been named Blenheim:
Blenheim (1704), a 260-ton merchant ship built in Deptford in 1704 for the East India Company. Attacked by the French ship Duguay-Trouin and blew up in 1714.
Blenheim (1834), a 357-ton merchant ship built in at Jarrow in 1834, that transported convicts to Port Jackson in 1834 and 1839 and Hobart Town in 1837.
Blenheim (1845), an 808-ton merchant ship built at South Shields in 1845, that transported convicts to Hobart Town in 1849.
