Enterodiol is an organic compound with the formula [HOC<sub>6</sub>H<sub>4</sub>CH<sub>2</sub>CH(CH<sub>2</sub>OH)]<sub>2</sub>.
It is formed by the action of intestinal bacteria on lignan precursors. As such it is sometimes classified as a enterolignan or mammalian lignan. Elevated levels of enterodiol in urine are attributed consumption of tea and other lignan-rich foods.