Vaporizer or vaporiser may refer to:
Anesthetic vaporizer, a device used in the administration of anesthesia Electronic cigarette, or a part of one (often called a "PV" or "personal vaporizer") Humidifier, a household appliance that increases humidity Vaporizer (inhalation device), a device used to extract for inhalation the active ingredients of chemicals or plant materials Vaporizer (internal combustion engine), a device to enable an engine to run on tractor vaporizing oil Metal vapor synthesis, a technique that involves vaporizing metals
See also Atomization (disambiguation) Carburetor Nebulizer Ultrasonic nozzle