| Alexandre Berthier | |
| Succession: | 4th Prince of Wagram |
| Tenure: | 15 July 1911 - 30 May 1918 |
| Predecessor: | Alexandre Berthier |
| Full Name: | Alexandre Louis Philippe Marie Berthier |
| Birth Date: | 20 July 1883 |
| Birth Place: | Paris |
| Death Date: | 30 May 1918 |
| Death Place: | Fort de Condé-sur-Aisne |
| Burial Place: | Château de Grosbois |
| Noble Family: | Berthier |
| Father: | Alexandre Berthier, 3rd Prince of Wagram |
| Mother: | Baroness Bertha Clara von Rothschild |
Alexandre Louis Philippe Marie Berthier, 4th Prince de Wagram (20 July 1883 – 30 May 1918) was a French nobleman and an art collector.
Born as the son of Alexandre Berthier, 3rd Prince of Wagram (1836–1911) and Baroness Bertha Clara von Rothschild (1862 - 1903[1]), member of the German branch of the prominent Rothschild family. The family resided in the ancestral home, the Château de Grosbois, a large estate in Boissy-Saint-Léger, southeast of Paris. He had two sisters, Elisabeth (1885 - 1960) and Marguerite (1887 - 1966) of whom the latter married Prince Jean Victor de Broglie.[1]
Alexandre Berthier was an active collector of modern art.[2] He owned works by Alfred Sisley, Camille Pissarro, Claude Monet and Pierre-Auguste Renoir. Of the last he bequeathed 17 to the French nation in his will.[1]
Berthier bequeathed Grosbois to his sister before leaving for the Army and World War I on 1 August 1914. An army captain and the leader of a company of chasseurs during the Third Battle of the Aisne, he sustained wounds from shell fire at Fort de Condé-sur-Aisne and died from them on 30 May 1918. He had no issue.[1] [3] He was buried at the Château de Grosbois like his father and grandfather.[4]