Captain John Dundas Cochrane (14 February 1793 – 12 August 1825) was a Scottish officer in the Royal Navy, traveller and explorer. An illegitimate son of Scottish MP, army-commander and swindler Andrew Cochrane-Johnstone, John Dundas Cochrane came from extensive naval and army family - he was a cousin of Admiral Thomas Cochrane, 10th Earl of Dundonald, and nephew of Admiral Sir Alexander Forrester Inglis Cochrane.