Pregnenolone may refer to:
Pregnenolone (pregn-5-en-3β-ol-20-one) Pregnenolone (medication) Pregnenolone sulfate 3β-Dihydroprogesterone (pregn-4-en-3β-ol-20-one) 3α-Dihydroprogesterone (pregn-4-en-3α-ol-20-one)
See also Pregnanolone (disambiguation) Pregneninolone or ethisterone Progesterone