Marcus Aemilius Lepidus may refer to:
- Marcus Aemilius Lepidus (consul 232 BC)
- Marcus Aemilius Lepidus (consul 187 BC), princeps senatus and pontifex maximus, he completed the via Aemilia and the basilica Aemilia.
- Marcus Aemilius Lepidus (consul 158 BC)
- Marcus Aemilius Lepidus (consul 126 BC)
- Marcus Aemilius Lepidus (consul 78 BC), he led a rebellion the year after his consulship, but failed and died in Sardinia.
- Marcus Aemilius Lepidus (triumvir), member of the Second Triumvirate together with Octavian and Mark Antony.
- Marcus Aemilius Lepidus Minor
- Marcus Aemilius Lepidus (consul 6)
- Marcus Aemilius Lepidus (executed by Caligula)