Dr. William LeRoy Dunn, 83, a retired physician who was president of the District Medical Society from 1958 to 1959, died Nov. 14 in a hospital in Lynchburg after a stroke. A former Arlington resident, he had lived in Lynchburg since 1970.

He had served as chief of the medical staff of the old Garfield Memorial Hospital, and was a past president of the Pan American Medical Society. He was a fellow of the American College of Chest Physicians.

Dr. Dunn was a native of Gordonsville, Va., and earned bachelor's and master's degrees at the Univeristy of Virginia. He earned his medical degree there in 1926, and served his residency in the tuberculosis division of Bellevue Hospital in New York. He practiced in Washington for 40 years before retiring in 1970.

He was the recipient of a distinguished service award from the Washington Hospital Center.

Dr. Dunn was a founding member of St. Andrew's Episcopal Church in Arlington.

Survivors include his wife, Dr. Thelma Brumfield Dunn of Lynchburg; two sons, Dr. John T., of Charlottesville, and William H., of Santa Cruz, Calif.; a daughter, Mary F. Degges of Hollis, N.H.; a brother, M. Hunter Dunn of Waynesboro, Va.; and eight grandchildren