List of Famous people who died in 1921

Jeter Connelly Pritchard was a United States Circuit Judge of the United States Court of Appeals for the Fourth Circuit and of the United States Circuit Courts for the Fourth Circuit and previously was an Associate Justice of the Supreme Court of the District of Columbia.

Joseph Reinach was a French author and politician.

Kiriak Konstantinovich Kostandi was a prominent Ukrainian painter and an art scholar. A member of the Russian realist artistic movement Peredvizhniki he also authored several Impressionist paintings.

Georges-Léon-Jules-Marie Feydeau was a French playwright of the era known as the Belle Époque. He is remembered for his farces, written between 1886 and 1914.

Joel Asaph Allen was an American zoologist, mammalogist, and ornithologist. He became the first president of the American Ornithologists' Union, the first curator of birds and mammals at the American Museum of Natural History, and the first head of that museum's Department of Ornithology. He is remembered for Allen's rule, which states that the bodies of endotherms vary in shape with climate, having increased surface area in hot climates to lose heat, and minimized surface area in cold climates, to conserve heat.