List of Famous people who died in 1931

Cvetan Radoslavov Hadžidenkov was a Bulgarian teacher and the author of the current national anthem of Bulgaria, Mila Rodino.

Lupu Pick was a German actor, film director, producer, and screenwriter of the silent era. He appeared in 50 films between 1910 and 1928.

Theodor Bergmann was a German businessman and industrialist best remembered for the various revolutionary firearms his companies released. Like many entrepreneurs of the era, his activities centered on bicycles, and the nascent automobile. Armament was not Bergmann's primary focus, but the one he was most attracted to, which was the reason most of his pistols were manufactured under license once they were created. He is famous for creating automatic pistols, and their ammunition.

Dmitri Fyodorovich Egorov was a Russian and Soviet mathematician known for contributions to the areas of differential geometry and mathematical analysis. He was President of the Moscow Mathematical Society (1923–1930).

Karl Bruno Julius Mudra, from 1913 von Mudra was a Prussian officer, and later General of Infantry during World War I. He was a recipient of Pour le Mérite with Oak Leaves. Mudra married on 12 October 1886 in Rheydt Paula Schött, daughter of Hermann Schött and Sofie Wilhelmine Jansen. They had two children:

• Herbert Emil Bruno (1887–1945), Colonel
• Edith (1892–1942).

Ronald Arthur Dalzell, 12th Earl of Carnwath,, was the second but only surviving son of Robert Dalzell, 11th Earl of Carnwath.

Lord Francis Hervey was a British barrister and Conservative politician who sat in the House of Commons in two periods between 1874 and 1892.