Lloyd Tibbott, 82, who retired from the Federal Maritime Commission in 1964 after 44 years of service in the shipping regulation field, died of leukemia Tuesday at his home in Chevy Chase.

After his retirement, he was a consultant to several associations involved in overseas shipping.

Born in Washington, Mr. Tibbott grew up here and in the Philippines, where his father was on a government assignment. He graduated from the University of Pennsylvania, and then joined the old U.S. Shipping Board. He participated in investigations that led to modernization of the U.S. Shipping Act.

Mr. Tibbott served on a number of advisory committees to establish politics on tramp shipping, throughroutes and essential trade routes. He represented this country at international conferences in the United States, Europe and South America. He was with the Transportation Council of the Inter-American Financial and Economic Advisory Committee in World War II.

Mr. Tibbott was a talented sketcher and water color artist. His favorite models were penquins, which he drew on Christmas, birthday and anniversary cards and on posters publicizing church and other affairs.

He was an active member of Westmoreland Congregational Church.

He is survived by his wife, Betty, and a son, Robert Lloyd, of the home; another son, Richard Seth, of Portland, Ore., and a brother, Edward W., of Palmyra, Va.