Marie-Jean-Lucien Lacaze (22 June 1860 Pierrefonds, Oise — 23 March 1955 Paris) was a French admiral, minister of Marine, préfet maritime and académicien.
Lacaze was born in Pierrefonds, Oise to a physician of Réunion, where he spent his youth. He studied in France with the Jesuits, and joined the École Navale in 1879.
Lacaze served as capitaine de vaisseau in Senegal, India and Viet-Nam. He was naval attaché in Rome and chief of staff to Admiral Germinet. He then took command of the Masséna, before serving as chief of cabinet to minister of the Navy Théophile Delcassé.
During the First World War, Lacaze lead a division of the Mediterranean fleet, and organised part of the Dardanelles Campaign. Lacaze was made Minister of the Navy in October 1915, and he retained the office until 1917. He then went on to serve as préfet maritime of Toulon.
After retiring in 1922, Lacaze was elected to the Académie française on 12 November 1936, obtaining Jules Cambon's seat (seat n°40).
| Political offices | ||
|---|---|---|
| Preceded by Victor Augagneur |
Minister of Marine 1915–1917 |
Succeeded by Charles Chaumet |
| Preceded by Jules Cambon |
Seat 40 of the Académie française 1936–1955 |
Succeeded by Jacques Chastenet |