Richard Fyfe Boyce, 89, a retired Foreign Service officer who hel ped develop DACOR (Diplomatic and Consular Officers Retired), an organization that represents the interests of retired diplomats and their families, died of congestive heart failure May 15 at a nursing home in Santa Fe, N.M.

Mr. Boyce was born in Lansing, Mich. He graduated from Harvard University and served in the Canadian Army in France during World War I. He then attended the Harvard Business School.

He was commissioned in the old consular service in 1920. He served in various posts in the Caribbean, Latin America, Spain, and Japan, where he was consul in Yokohama from 1933 to 1940. During World War II, he served in Peru and Havana. His final post was Melbourne, from which he retired in 1948.

Mr. Boyce taught briefly at Georgetown University and then worked for the Philco Corp. here. In 1970 he moved to Florida. He had lived in Santa Fe since 1984.

Mr. Boyce published a book called "The Diplomats' Wife" for the assistance of the wives of Foreign Service officers.

Survivors include his wife, the former Katherine Clark Randall of Santa Fe; a son, Richard F. Boyce Jr. of Santa Fe; a daughter, Randall B. Brown of Arlington and Amherst, Mass.; a sister, Priscilla Goodell of Detroit; a brother, Dr. Benjamin Boyce of Chapel Hill, N.C.; eight grandchildren and five great-grandchildren.