Naevius may refer to:
- Gnaeus Naevius, Roman poet and dramatist
- Naevius (spider), a genus of spiders
- Naevius Sutorius Macro, confidant of Roman emperors Tiberius and Caligula
See also
- Naevia gens
- The Porta Naevia was a gate in the Servian Wall on the Aventine Hill of Rome