Dorset was a merchant ship built by William Porter at Liverpool, England in 1838.

[1] She made a number of voyages around the south east coast of Australia with cargo and undertook one voyage transporting 9 male convicts to New South Wales.

Under the command of John Mackie, she sailed from Port Adelaide on 20 November 1840 and arrived at Sydney on 1 December 1840.

She carried passengers and embarked 9 male convicts under the command of three constables.

[3] While sailing under the command of Captain Birdwood from Hobart to Melbourne, she was wrecked upon the Kent Group in Bass Strait on 28 May 1852.