Mersey was a ship launched at Chittagong in 1801 and wrecked in the Torres Strait, Australia, about mid-June 1804.

Mersey, Captain Wilson, arrived at Sydney on 10 April 1804 with a cargo chiefly consisting of sugar, port and Madeira wine, cordage, and some piece goods.

[5] Philip Gidley King, governor of New South Wales, on 15 May 1804 announced that Mersey would return to India via an "hithertoo unfrequented passage to Torres Strait in the track of Captain Flinders.

"[4] King had chartered Mersey to purchase 250 cows from Bengal and deliver them to Hobart, Tasmania.

After refitting the longboat at Dili the survivors reached Bencoolen from where they sailed to Madras on an Acehen vessel.