Clavier can refer to:
- Clavier, Liège, a municipality in Liège, Belgium
- Christian Clavier, French actor
- Any keyboard instrument; especially baroque-era instruments such as
- the harpsichord
- the clavichord or
- the fortepiano
- Clavier, the French word for keyboard (either musical or typographical)
- Klavier, the German word used specifically to refer to any sort of piano except grand pianos, but not other keyboard instruments.
- Klavier Gavin, a character from the Apollo Justice: Ace Attorney games.
- Klavier, a song by German industrial metal band Rammstein