Arthur Hull Hayes, 81, a retired president of CBS radio who had made his home in the Washington area for the past 10 years, died April 14 at the Westchester County Medical Center in New York after a stroke. He was visiting relatives in New York when he was stricken.

Mr. Hayes began his career at CBS in 1934 as an account executive. He was general manager of WCBS radio in New York City before going to San Francisco in 1949 as general manager of the CBS outlet there. He then became radio network president, a post he held for 12 years before retiring in 1967.

He had been a director of the National Association of Broadcasters, the Advertising Council and the Broadcast Pioneers, and had served as vice president of the National Association of Retarded Citizens.

Mr. Hayes, who lived in Rockville, was a native of Detroit. He earned a bachelor's degree in philosophy at the University of Detroit.

His wife, Florence, died in 1968. Survivors include two sons, Dr. Arthur Jr., of New Rochelle, N.Y., and Dr. Joseph G., of New York City, and two daughters, Mary Ann Hayes of Kensington and Florence Margaret Hayes, who lives at the Southbury Training School in Southbury, Conn.