Marcus Annius Flavius Libo

Marcus Annius Flavius Libo was an ancient Roman Senator who lived in the second half of the 2nd century and first half of the 3rd century. He was consul ordinarius in AD 204 with Lucius Fabius Cilo as his senior colleague.

Libo was a Patrician and came from Hispania Baetica. His grandfather was Marcus Annius Libo who was made suffect consul in 161. His father of the same name was a legatus of Syria and was poisoned possibly by his cousin the Roman emperor Marcus Aurelius. Libo was related to Marcus Aurelius through their mutual ancestor Marcus Annius Verus who was consul three times; and by marriage to Roman emperor Antoninus Pius who married his grandfather's sister.