Edward Daniel Hayden (December 27, 1833 – November 15, 1908) was a U.S. Representative from Massachusetts. Born in Cambridge, Massachusetts, Hayden attended the Lawrence Academy, Groton, Massachusetts, and graduated from Harvard University in 1854.He studied law.He was admitted to the bar in 1857 and commenced practice in Woburn, Massachusetts.He entered the United States Navy as assistant paymaster in 1861, and served in the Mississippi Squadron under Admiral Porter in the Vicksburg and Red River campaigns.He returned to Woburn, Massachusetts, in 1866 and engaged in mercantile pursuits.He served as president of the First National Bank 1874–1900.He served as a member of the Massachusetts House of Representatives from 1880 to 1882.Hayden was elected as a Republican to the Forty-ninth and Fi