Silvius may refer to:
- Alba Silvius, a Roman mythology king
- Aeneas Silvius, a mythological king
- Latinus Silvius, a mythological king
- Romulus Silvius, a mythological king
- Silvius (fictional character), a minor character in the pastoral comedy As You Like It
- Silvius (folklore), a character in British folklore
- Silvius (insect), a genus of horsefly
- Silvius (mythology), a king of Alba in Roman mythology
- Silvius Brabo, a mythical Roman soldier
- Tiberinus Silvius, a mythological king
Read more about Silvius: People