List of Famous people who died in 1920

Infante D. Afonso of Braganza, Duke of Porto was a Portuguese Infante of the House of Braganza, the son of King Dom Luis I of Portugal and his wife, Dona Maria Pia of Savoy. From 1908 to the abolition of the Portuguese Monarchy in 1910 he was the Prince Royal of Portugal as heir presumptive to his nephew, King Dom Manuel II.

The Hon. William Henry Wentworth-FitzWilliam, was a British Liberal, and later Liberal Unionist politician.

Prince Joachim Franz Humbert of Prussia was the youngest son and sixth child of Wilhelm II, German Emperor, by his first wife, Augusta Victoria of Schleswig-Holstein. He died by suicide at age 29.

John Baptist Crozier,, was a Church of Ireland clergyman who served as Lord Bishop of Ossory, Ferns and Leighlin (1897–1907); Lord Bishop of Down, Connor and Dromore (1907–1911); and Lord Primate of All Ireland and Lord Archbishop of Armagh (1911–1920).

Henri Gobbi, was a 19th-century Hungarian classical composer and piano professor. He was also a student and close friend of Franz Liszt. Many of Henri Gobbi's most important works still remain unpublished to date.

Isham Randolph was an American civil engineer who is best known as the chief engineer of the Sanitary District of Chicago during the construction of the Chicago Sanitary and Ship Canal. Randolph had no formal engineering training, he began his career as a railroad axeman. After completing the Chicago Sanitary and Ship Canal, at the time the largest canal in the world, Randolph became a consulting engineer on the Panama Canal at the request of the Roosevelt Administration.

Germain Marie Bernard Nouveau (1851–1920) was a French poet associated with the symbolist movement.

Duke John Albert of Mecklenburg was a member of the House of Mecklenburg-Schwerin who served as the regent of two states of the German Empire. Firstly from 1897 to 1901 he was regent of Grand Duchy of Mecklenburg-Schwerin for his nephew Frederick Francis IV, Grand Duke of Mecklenburg, and from 1907 to 1913 he was Regent of the Duchy of Brunswick.

Moritz Benedikt Cantor was a German historian of mathematics.

Karl Hermann von Struve was a Baltic German astronomer. In Russian, his name is sometimes given as German Ottovich Struve or German Ottonovich Struve in Russian.