Franklin D. Roosevelt, Jr. (August 17, 1914 - August 17, 1988) was the fifth child of Eleanor Roosevelt and Franklin D. Roosevelt (the 32nd President of the United States). He was born at his parents summer home on Campobello Island, New Brunswick, Canada. An earlier child of the same name died in infancy.

He was a Naval officer in WWII and decorated for bravery in the battle of Casablanca

Roosevelt, who was often referred to as "FDR Jr.", served as a member of the United States Congress, representing the Twentieth District of New York from 1949 to 1954. He unsuccessfully ran for Governor of New York as a Tammany Hall candidate affiliated with the Liberal Party in 1966.

He served as chairman of the Equal Employment Opportunity Commission May 26, 1965 - May 11, 1966.

He was senior partner in the New York law firm of Roosevelt and Freiden before and after his service in the Congress.

He had five marriages, including one to Ethel du Pont of the du Pont family of industrialists. He had 5 children from his several marriages.

He also ran a small cattle farm, and imported Fiat automobiles.

Franklin Delano Roosevelt, Jr. died in 1988 in Poughkeepsie, New York.