List of Famous people who died in 1921

John Burroughs was an American naturalist and nature essayist, active in the U.S. conservation movement. The first of his essay collections was Wake-Robin in 1871.

Yosef Haim Brenner was a Russian-born Hebrew-language author and one of the pioneers of modern Hebrew literature.

James Sarsfield "Jim" Mitchel was an athlete who represented the United States at the 1904 Summer Olympics.

Ernesto Nathan was an English-Italian Jewish politician, and mayor of Rome, Italy from November 1907 to December 1913.

Georg Treu was a Classical archaeologist and curator of the sculpture collection at the Albertinum.

Carl Menger was an Austrian economist and the founder of the Austrian School of economics. Menger contributed to the development of the theory of marginalism, which rejected the cost-of-production theories of value, such as were developed by the classical economists such as Adam Smith and David Ricardo. As a departure from such, he would go on to call his resultant perspective, the "Subjective Theory of Value".

William Lehman Ashmead Bartlett Burdett-Coutts, born William Lehman Ashmead-Bartlett, was an American-born British Conservative politician and social climber who sat in the House of Commons from 1885 to 1921.

Theobald Theodor Friedrich Alfred von Bethmann Hollweg was a German politician who was the Chancellor of the German Empire from 1909 to 1917.