John McCluer (1795) was a Scottish hydrographer who rose to the rank of captain in the Bombay Marine. Between 1785 and 1787 he surveyed Muscat and Matruh harbours at the entrance to the Gulf of Oman. In 1787 he was ordered to survey the bank of soundings off Bombay, which he did so thoroughly that his charts remained practically as he left them for nearly seventy years. In 1790 he was appointed to command a small expedition to the Pelew Islands, with the double object of surveying and establishing friendly relations with the natives. He was lost at sea in 1795.
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