Louis Hippolyte de Lormel (19 October 1808 – 31 March 1888) was a French colonial administrator who served as Governor of Guadeloupe from 1864 to 1870, and of Réunion from 1869 to 1875.

Louis Hyppolite de Lormel was born on 19 October 1808 in Lesina, Dalmatia (now Hvar in Croatia), where his father was a surgeon in the French army of occupation.

[3] His son, Eugène François Louis Lormel (1847-1910), an army lieutenant, served as his aide-de-camp in 1874-1875.

[4] Lormel issued a decree of 18 June 1864 that removed the need for residents to buy and carry an internal passport at all times, subject to a year's labor if found without it, a law that in practice was only enforced for non-whites.

[6] In September 1865, the island was hit by a violent hurricane, and this was followed by an epidemic of Asian cholera that continued until April 1866.

[3] On 31 August 1869, Lormel was appointed Governor of Réunion in place of Rear-Admiral Marie Jules Dupré.

[9] Louis Hippolyte de Lormel arrived in Réunion on 27 September 1869 to take over from Laborde, the commissaire ordonateur, who had acted as governor since the departure of Rear-Admiral Dupré.

On 3 November 1870, Lormel proclaimed the French Third Republic from the platform decorated with tricolor flags in the Place du Gouvernement.

He created a permanent health services at the end of his term due to the frequent outbreaks of epidemics.