Rear Admiral Sir Francis Augustus Collier, CB, KCH (7 August 1786 – 28 October 1849) was a senior officer of the British Royal Navy during the early nineteenth century. Born into a naval family, Collier served in the French Revolutionary Wars and fought at the Battle of the Nile on Horatio Nelson's flagship. During the Napoleonic Wars he was engaged in campaigns in the West Indies and in 1819 he commanded an operation against pirates in the Persian Gulf.