Ronald A. Capone, 68, a retired Washington attorney who had a private practice in maritime law for 34 years, died of cancer Feb. 3 at Arlington Hospital. He lived in Arlington.

Mr. Capone was born in Newton, Mass. He graduated from Harvard University, where he also earned a law degree. During World War II, he was a Navy pilot and air combat intelligence officer in the Pacific.

He completed his education in 1947 and moved to the Washington area where he joined the law firm of Kirlin, Campbell & Keating, which also had offices in New York. He became a senior partner in the firm in 1965 and was manager of the Washington office when he retired in 1981. He remained of counsel to the firm for the next year.

Mr. Capone received a medal from the Republic of China in 1959 for legal services he had rendered, and in 1981 was made an honorary Officer of the British Empire by Queen Elizabeth II.

He was a member of the American Bar Association, the D.C. Bar Association, U.S. Maritime Law Association, and the Maritime Administrative Law Bar Association, of which he also was a past president. He was a member of the Washington Golf and Country Club in Arlington.

Survivors include his wife, Margaret, of Arlington; a son, Ronald L., of Fairfax City; a daughter, Jill Garrity of Great Falls, Va.; a brother, Roland, of Massachusetts, and two sisters, Esther Antinucci of Watertown, Mass., and Alice Lawson of Stinson Lake, N.H.