Earl of Mornington (or Earl Mornington), was a merchant vessel of 500 tons burthen (bm) built at Bombay Dockyard of teak and launched in 1766 or 1768.

She made three voyages under charter to the British East India Company (EIC) under the command of captain Benjamin Ferguson.

She appeared on the Madras registry in 1803 with Benjamin Ferguson, master.

[3] Her second voyage had her sailing from Madras on 24 January 1803, reaching St Helena on 14 April, and arriving at the Downs on 28 June.

[2] Her third voyage had Earl of Mornington sailing on 6 November 1803 for Madras, arriving on 16 May 1805.