Marsus

Marsus is a Roman family name, and the Latinisation of the surnames Marso and Marsi.

Marsus may refer to:

People

 * Domitius Marsus, Latin poet of ancient Rome; friend of Virgil and Tibullus
 * Gaius Vibius Marsus, proconsul of the Roman Empire during the first century
 * Marsus (king), Latin name of mythical Germanic king Mers, aka Marso
 * Paulus Marsus (1440–1484), Renaissance humanist and poet known primarily for his commentary on the Fasti of Ovid
 * Petrus Marsus (1442–1512), aka Peter Marso, Renaissance scholar who wrote a commentary on Silius Italicus' epic poem Punica
 * Johannes Harmonius Marsus (c. 1477–c. 1553), Renaissance humanist and poet known for his plays

Other uses

 * Marsus municipium, the Latin alias of San Benedetto dei Marsi, a comune and town in the province of L'Aquila in the Abruzzo region of Italy
 * Spectamen marsus, a Pacific sea snail species with a streaked top shell