Robert Arthur Kehoe (/ˈkiːhoʊ/; November 18, 1893 – November 24, 1992) was an American toxicologist and a dominant figure in occupational health. Working on behalf of the lead industry (including the manufacturing of leaded gasoline and lead-acid batteries), Kehoe was the most powerful medically-trained proponent for the use of tetraethyllead as an additive in gasoline.