Ledyard is both a surname and a given name. Notable people with the name include:
Surname: Gari Ledyard (1932–2021), Sejong Professor of Korean History Grant Ledyard (born 1961), National Hockey League defenseman Hal Ledyard (1931–1973), gridiron football player Henry Ledyard (1812–1880), American politician Isaac Ledyard (1755–1803), American physician Lewis Cass Ledyard (1851–1932), American lawyer John Ledyard (1751–1789), American explorer and adventurer William Ledyard (1738–1781), colonel in the Continental Army during the American Revolutionary War
Middle name: Seth Ledyard Phelps (1824-1885), United States Navy officer, diplomat, and politician
Given name: C. Ledyard Blair (1867–1949), American investment banker and yachtsman Ledyard Bill (1836–1907), American politician, publisher, and writer Ledyard Blair Clark (1917–2000), American liberal journalist and political activist, grandson of C. Ledyard Blair Ledyard Mitchell (1881–1964), American automobile executive and American football player G. Ledyard Stebbins (1906–2000), American botanist and geneticist Ledyard Tucker (1910–2004), American mathematician