Louis Jaurès (18 August 1860 – 30 October 1937) was a French naval officer who rose to the rank of rear admiral during World War I.

Marie Paul Louis Jaurès was born in Castres, Tarn, on 18 August 1860.

[4] His father's first cousins were the admirals Charles and Benjamin Jaurès, whom Jean and Louis considered as uncles.

[6] In 1878 the Jaurès brothers were at an event in Castres where the sub-Prefect spoke in praise of the French nation but did not mention the Republic, and ended with "Vive la France!".

[9] In 1881 he was on board the cruiser Magicienne, a sailing ship, in the Antilles naval division.

In 1882 he was on the aviso Boursaint, where he spent three years in the Indian Ocean, at Madagascar and on the coast of East Africa.

[9] He returned to Madagascar and on 23 October 1885 helped with the great festival organized by the Republicans to celebrate their recent electoral victory.

On 3 February 1892 he was given command of the submarine Gymnote and carried out trials of underwater navigation.

[9][c] On 15 February 1893 Jaurès was given command of the torpedo boat n°126 in the mobile defense of Corsica.

He was made aide de camp to Commodore Charles Malarmé, commander of the coastguard division.

[10] After the explosion there was a debate in the Chamber of Deputies in which the honour of Jaurès and the responsibility for the use of unstable powder by the navy was questioned.

[10] In 1916 and 1917 he was in command of the light division off French West Africa responsible for protecting Australian and New Zealand troop transports and convoys of food against privateers and German submarines.

[4] Jaurès was elected to the legislature in 1924 for the 2nd riding of the Seine department on the cartel des gauches platform.