List of Famous people who died in 1921

Colonel John Biddulph was a British soldier, author and naturalist who served in the government of British India.

Anna Maria Felicita Bonfanti (1845-1921), known as Marie or Marietta Bonfanti, was a 19th-century ballet dancer whose New York City debut came at Niblo's Garden on Monday, September 10, 1866. She then was the prima ballerina in The Black Crook at the same theatre, which premièred two days later. She appeared in Sylvia by Léo Delibes at the Metropolitan Alcazar concert hall on July 15, 1882. In August 1901, Bonfanti performed with Rita Sangalli at the Metropolitan Opera House, during the inaugural season of ballet at the New York City venue. Her talent for expressionist dancing and her private life were covered widely from the mid-1860s until the early 20th century.

Dardo Rocha was an Argentine naval officer, lawyer and politician best known as the founder of the city of La Plata and of the University of La Plata.

Abbott Handerson Thayer was an American artist, naturalist and teacher. As a painter of portraits, figures, animals and landscapes, he enjoyed a certain prominence during his lifetime, and his paintings are represented in the major American art collections. He is perhaps best known for his 'angel' paintings, some of which use his children as models.

Maurice Camille Bailloud was a French general.

Christina Nilsson, Countess de Casa Miranda, was a Swedish operatic soprano. She possessed a bel canto technique and was considered a rival to the Victorian era's most famous diva, Adelina Patti. Nilsson became a member of the Royal Swedish Academy of Music in 1869.