Hippolyte Mircher (13 August 1820 – 15 December 1878) was a French soldier, Arabist and topographer who served for many years in Algeria and then Egypt during the construction of the Suez Canal.

[1] During the Crimean War (1853–56) Mircher spent a few months with the Army of the East in the political and topographical service, starting in April 1854.

After the Crimean War Mircher was employed in Transcaucasia and Armenia to work on mapping the border between the Russian and Turkish empires.

[4] Mircher returned to Algeria and served in the topographical brigade and in an expedition as aide-de-camp of General Édouard-Jean-Étienne Deligny.

He undertook this mission between September and December 1862, travelling from Tripoli to Ghadames and then returning to Philippeville in Algeria.

[3] He led a team of advisers to Isma'il Pasha, who was to pay their salaries but was to consult with the consul-general Maxime Outrey on their assignments.

[1] Mircher was chief of staff of an infantry division in the 12th army corps during the Franco-Prussian War and fought in the Battle of Sedan (1–2 September 1870).

[9] After being released, he served as first aide-de-camp and chief of staff to the governor general of Algeria from 2 April 1871 to 4 July 1873.

[3] He gave advice to the future explorer of French Africa Paul Soleillet, who was introduced to him by Auguste Warnier, the Deputy for Algeria.