Warner Norton Grubb (April 29, 1900 – February 13, 1947) was an American petroleum executive who served as a senior petroleum distribution officer with the U.S. Navy during World War II. He was assigned as Head of the Latin American section of the Army-Navy Petroleum Board, Tanker Control Officer for the European Theater, and finally as Executive Officer of the Allied Tanker Board. At the end of the conflict, he was promoted to Commodore and awarded the Legion of Merit.