A ventilator, in medical terminology, is a machine designed to provide mechanical ventilation by moving breathable air into and out of the lungs.

Ventilator may also refer to: Ventilator (2016 film), a Marathi film Ventilator (2018 film), a Gujarati film Ventilator-associated pneumonia, a type of lung infection that occurs in people who are on mechanical ventilation Ventilator-associated lung injury, an acute lung injury that develops during mechanical ventilation Ventilator Blues, a song by English rock band The Rolling Stones Ventilator 202, a live radio show Ventilatory system, a biological system consisting of specific organs and structures Reebok Ventilator, a line of athletic shoes Fan (machine), a non-medical device to create airflow, e.g. for cooling or climate control

See also Ventilation (disambiguation)