List of Famous people who died in 1923

Jacques (Jacob) Seligmann was a highly successful antiquarian and art dealer with businesses in both Paris and New York. He was one of the first to foster American interest in building collections of European art.

Lluís Domènech i Montaner was a Spanish architect who was highly influential on Modernisme català, the Catalan Art Nouveau/Jugendstil movement. He was also a Catalan politician.

Charles Louis de Saulces de Freycinet was a French statesman and four times Prime Minister during the Third Republic. He also served an important term as Minister of War (1888–93). He belonged to the Opportunist Republicans faction.

Admiral Prince Abhakara Kiartivongse, Prince of Chumphon, was the 28th child of King Chulalongkorn. He was commonly reveared as "The Father of our Thai Navy". Being born to a non-royal mother, he could not become king.

Edward Williams Morley was an American scientist famous for his extremely precise and accurate measurement of the atomic weight of oxygen and for the Michelson–Morley experiment.

Raphael von Koeber was a notable Russian-German teacher of philosophy and musician at the Tokyo Imperial University in Japan.

Robert Bodanzky, also known as Danton, was an Austrian journalist, playwright, poet and artist. While he became famous for his apolitical poems before World War I, he turned an anarchist communist afterwards, writing political essays, plays and poems. He was the brother of the opera conductor Artur Bodanzky.