Vent

Vent may refer to:

* Volcano, an opening in the Earth's surface which allows molten rock, ash and gases to escape
** Deep sea vent, or "black smoker", a type of hydrothermal vent found on the ocean floor
*Plumbing drainage venting, pipes leading from fixtures to the outdoors, usually via the roof
*Flue, a duct, pipe, or chimney for conveying exhaust gases; see also Chimney
*Duct (HVAC), used in heating, ventilation, and air conditioning to deliver and remove air
* Vent (radio series), a dark comedy series produced for BBC Radio 4 in 2006
* An outlet of a biological ventilation system that allows the exchange of air; "see gas exchange"
* An external opening of a urinary or genital system in lower vertebrates (e.g; salamanders and sharks)
* Vent, Austria, a village in the Ötztal Alps
* Ventrilo, an Internet VoIP chat system service
* A narrow slot in a vending machine or slot machine through which to introduce money, coins, or tokens.
* The various attacks used by characters in "Kamen Rider Ryuki" are known as "Vents" (such as "Kick Vent", "Sword Vent", etc).
* An expression of anger or frustration.
* Vent (Mega Man), a character in the "Mega Man ZX" video game series.
* Vent (tailoring), a slit up the back of a jacket or coat