Elias Cornelius Benedict nicknamed Commodore (January 24, 1834 – November 22, 1920) was a New York City banker and yachtsman.

During the United States Civil War he and his brother organized the Gold Exchange Bank.

Benedict commissioned the architects Carrère and Hastings to build an estate on the peninsula at Indian Harbor in Greenwich, Connecticut.

[5] In later life Benedict was Commodore of the Seawanhaka Corinthian Yacht Club.

Together, they had four children: He had been ill for more than a year when he died on November 22, 1920, at his estate in Greenwich.