Robert Fay Wright Whitcomb, 83, a retired banker and consultant who specialized in foreign economic development, died of a cerebral hemorrhage Jan. 18 at the Washington Hospital Center.

Mr. Whitcomb served in Brazil from 1943 to 1958 as a loan officer for the Export-Import Bank of Washington and was awarded the Brazilian Order of the Southern Cross for his economic development work there.

He then worked for the old International Cooperation Administration, a predecessor of the Agency for International Development, for two years. His last job before retiring in 1961 was with a firm of consulting economists, Checchi and Co., in Washington.

Mr. Whitcomb was born in Topeka, Kan., and graduated from Washburn University there. He began his banking career in 1916 in Kansas City, Mo. In the 1920s, he joined the First National City Bank in New York. He had several assignments for the bank in Asia and Latin America.

He later was an adviser to the Korean Reconstruction Bank and also was a consultant on economic development to the governments of Ecuador, Pakistan, Cyprus and Peru.

A collector of art and art objects, Mr. Whitcomb donated Japanese prints and art objects to Washburn University in 1967 and 1975.

His first wife, the former Louise Brewer, died in 1963.

Survivors include his wife, the former Edith Ramsay, of Washington, where he resided; two children by his first marriage, George H., of Denver, and Julia Glass of Akron; three brothers, Philip W., of Lawrence, Kan., Retired Army Brig. Gen. Richard S., of South Korea and William H., of Berkeley, Calif.; a sister, Mrs. Harry L. McNeil of Denver, and seven grandchildren.