Frederick G. Singer (1897-1971) was a manager for the Tariff Division of the E.I. du Pont de Nemours & Company's Development Department, working out of the foreign office in Paris, France. E.I. du Pont de Nemours & Company is a chemical company more commonly referred to as the DuPont Company.

Frederick George Isaac Singer was born in Paighton, Devonshire, England, to Emilie L.H.A. Maigret (1872-1953) and Franklin M. Singer (1870-1939). He was the grandson of the founder of the Singer Sewing Machine Co., Isaac Merritt Singer (1811-1875).

During World War I, Singer served in the Norton-Harjes Ambulance Corps with the French Army. He then worked as a civilian assistant in the U.S. Naval Attaché Office of the U.S. Embassy in France, and then as assistant trade commissioner.

Singer began working for the foreign office of the DuPont Company in 1924 and became manager of the Tariff Division in 1949. He retired in 1958. He was a recognized expert on tariffs and international trade, and served on several significant tariff committees.

Singer married Simone A. Puget (1890-1983) in 1919, and the couple had one son. They lived in Greenville, Delaware, from 1936 to 1961, and also in Paris.