Marquis Cornwallis (ship)

Marquis Cornwallis may refer to a number of ships:

• Marquis Cornwallis (1789), a 654 burthen ton merchantman that made a voyage transporting convicts to Australia.
• Marquis Cornwallis, was an East Indiaman launched in 1801, that the Royal Navy purchased in 1805 and commissioned as HMS Cornwallis, renamed Akbar in 1811, and sold in the 1860s.