Bilbo can refer to:
- Bilbo Baggins, protagonist of The Hobbit by J. R. R. Tolkien.
- Bilbo, the Basque name for Bilbao, the major city in the Basque Country of northern Spain
- Bilboes, a physical restraint used as punishment and on slaves, especially on ships
- Bilbo (sword), a type of sword, thought to be named after the Spanish city
- Bilbo, the name Fionn Regan used for an early album