Jules Léon Dutreuil de Rhins (2 January 1846 – 5 June 1894) was a French geographer and explorer, born at Saint-Étienne.
He took part as a midshipman of naval volunteers in the expedition to Mexico and was an ensign during the Franco-Prussian War.
From 1871 to 1876 he was captain of a foreign-going ship, in 1876–1877 commanded the Scorpion of the King of Annam's navy, and in 1882 was Egyptian correspondent of the Temps.
He was murdered by locals at a small town in eastern Tibet.
His publications include: The results of his last journey were edited by his assistant, Fernand Grenard, Mission scientifique dans la Haute-Asie (three volumes, 1897–1899):