Endicott Peabody, American lieutenant, lawyer, and politician, 62nd Governor of Massachusetts (born 1920)

Endicott Howard Peabody was an American politician from Massachusetts. A Democrat, he served a single two-year term as the 62nd Governor of Massachusetts, from 1963 to 1965. His tenure is probably best known for his categorical opposition to the death penalty and for signing into law the bill establishing the University of Massachusetts Boston. After losing the 1964 Democratic gubernatorial primary, Peabody made several more failed bids for office in Massachusetts and New Hampshire, including failed campaigns for the U.S. Senate in 1966 and 1986.

The governor of the Commonwealth of Massachusetts is the head of government of the Commonwealth of Massachusetts. The governor is the head of the state cabinet and the commander-in-chief of the commonwealth's military forces.