Air cannon may refer to:

• Air blaster, a de-clogging device with a pressure vessel and triggering mechanism
• Air cannon (mechanics), a device used for marine reflection and refraction surveys
• Air vortex cannon, a toy gun that fires air vortex rings
• Vortex ring gun, a non-lethal weapon that fires gas vortex rings
• Air Cannon (Mario), a plot device in Mario Pinball Land

• Air gun (disambiguation)
• Pneumatic cannon (disambiguation)

This disambiguation page lists articles associated with the title Air cannon.
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