Marcus Aemilius Lepidus (89 BC – 13/12 BC) was a member of the Second Triumvirate alongside Octavian and Mark Antony.
Marcus Aemilius Lepidus may also refer to:
- Marcus Aemilius Lepidus (consul 232 BC)
- Marcus Aemilius Lepidus (consul 187 BC), princeps senatus and pontifex maximus who completed the via Aemilia and the basilica Aemilia.
- Marcus Aemilius Lepidus (consul 158 BC)
- Marcus Aemilius Lepidus (consul 78 BC), who led a rebellion the year after his consulship but failed and died in Sardinia.
- Marcus Aemilius Lepidus Minor
- Marcus Aemilius Lepidus (consul 6 AD)
- Marcus Aemilius Lepidus (executed by Caligula)