Leon Jullemier (Brest, April 11th 1874 - Paris VI^e September 7th 1960) is a doctor, epidemiologist and officer French.

Doctor of medicine since 1902, it was during the First World War doctor assistant medical officer in the column of the South Cameroun at the time of the conquest free - British of this German colony in 1915 - 1916.

He took part then, as hygienist and epidemiologist, with the fight against the disease of the sleep (Trypanosomiase) which was carried out in French equatorial Africa under the impulse of Eugene Jamot, the director of the Institut Pasteur of Brazzaville. After the war, it became again doctor-sailing. He was the ship's doctor of the steamer the '' Atlantique '' when this floret of the Compagnie of navigation the south-Atlantic was devastated by fire, on January 4th, 1933. He survived by miracle this disaster.

Its name was given to the Mont Jullemier located in the archipelago of Kerguelen.