Cornelius (Neale) Skomin Witul, 66, a retired official of the Navy Department who was active in senior citizens and service organizations in Northern Virginia, died of cancer Tuesday at his home in Fairfax.

Mr. Witul, who was born in Bridgeport, Conn., moved to Washington in 1937. He earned a degree from Columbus Law School and served in the Navy during World War II.

In 1951, he joined the bureau of yards and docks in the Navy Department. At his retirement in 1969, he was a senior management analyst.

Mr. Witul was a member of Truro Episcopal Church in Fairfax and of its vestry. He was a vice president of the auxilary of Commonwealth Doctors Hospital. He was a former president of Chapter No. 737 of the National Association of Retired Federal Employees and a member of the American Association of Retired Persons, the Northern Virginia Federation of Senior Citizens Organizations and the Fairfax County Senior Citizens Council. Mr. Witul also was a president of the Dixie Hill Citizens Association in Fairfax.

Survivors include his wife, the former Jane Wynne Weller, of Fairfax; four daughter, Cornelia Witul-Hamill of Arlington, Barbara Elvin of Reston, Mary Wynne Witul of Raleigh, N.C., and Janice Witul of Martinez, Calif., one sister, Marie Murphy of Mount Rainier; two brothers, John, of Leesburg, and Walter, of Trumbull, Conn., and five grandchildren.