Andrew Trowbridge Hall Munroe, 36, a former director of the Office of Economic Stabilization and general counsel of the Cost of Living Council, died Saturday at his home in Washington. He had been suffering from cancer.

Mr. Munroe had been in private practice for the past four years and specialzied an administrative law. He was associated with the law firm of Vinson & Elkins at the time of his death and previously had been with the firm of White & Case.

He was born in Washington. He attended St. Alban's School and was a choir boy at the Washington Cathedral. He went to Harvard College after graduating from St. Marks School in Southboro, Mass., and earned his law degree at Harvard Law School. Intelligence Corps.

Prior to attending law school he spent a year studying the classics and romance languages in Florence, Italy, and Santander, Spain. From 1967 to 1970, he was an officer in the Army intelligence Corps.

Mr. Munroe returned to Washington in 1970 and became an attorney for the federal government. Among the agencies for which he worked before joining the Office of Price Stabilitzation and the Cost of Living Council was the Treasury Department. At Treasury, he was assigned to the international section.

He was a member of the Metropolitan Club in Washington and of the Racquet and Tennis Club in New York.

Survivors include his wife, Susan Spalding Munroe, of the home in Washington; two children, Nicoletta Louise and Antonio Whitney, also of the home; his parents, Mr. and Mrs. Henry Munroe, of San Mateo, Calif; two sisters, Dorothe M. Bennett, of Hastings-on-Hudson, N.Y., and Marian Hall Munroe, of Chicago, and a half-brother, Thomas R. Hughes, of Berkeley, Calif.

The family suggests that expressions of sympathy be in the form of contributions to St. Marks School, Southboro, Mass., or to the St. Francis Burial and Counselling Society, Inc., Washington, D.C.