Abattoir refers to a slaughterhouse.

Abattoir may also refer to:

• Abattoir (band), an American speed metal band
• Abattoir (comics), a fictional character in the DC Comics universe
• "Abattoir", song by Gehenna from WW
• Abattoir (X Marks the Pedwalk song), a single by X Marks the Pedwalk
• Abattoir (film), a horror film directed by Darren Lynn Bousman