Johan Arnold Bloys van Treslong

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Johan Arnold Bloys van Treslong (8 November 1757 – 26 January 1824) was a Dutch naval officer. He started his naval career in 1772, serving as a midshipman with the Admiralty of the Maze. He served in the Dutch States Navy on the North Sea, in the West Indies and in battle with Barbary pirates in the Mediterranean.

In 1781, he fought in the action of 30 May 1781 under the command of Pieter Melvill van Carnbee, and from 1782 till 1787 he was commander of several ships in the Mediterranean. He was laid off in 1787 because of his support for the Patriots' faction. This ill-favouredness lasted until 1793. After the ringing Dutch defeat during the Battle of Camperdown in 1797 he was made a scapegoat, but his reputation was later restored.