Air hammer may refer to:

• Air hammer (fabrication), a pneumatic hand tool used to carve in stone, and to break or cut metal objects apart
• Air hammer (forging), an air-power hammer that uses pneumatics to drive the hammer
• Air hammer (pile driver), a pile driver that is driven by air
• Air Hammer (Transformers), a Beast Wars character
• Jackhammer, a pneumatic or electro-mechanical tool that combines a hammer directly with a chisel
• Nail gun, a form of hammer used to drive nails into wood or other materials
• Rivet gun a type of tool used to drive rivets

• Pneumatic hammer (disambiguation)