Look up airlock in Wiktionary, the free dictionary.
An airlock is a chamber with two air-pressure-tight doors for moving between areas of different air pressure.
Airlock or air lock may also refer to:
- Air lock, an obstruction of liquid flow in pipes
- Airlock (band), a musical group
- Airlock (agency), an advertising company
- Fermentation lock, a device restricting air flow during fermentation
- In the HUB Airtrim scuba diving stab jacket, "Airlock" refers to an inflatable device used to secure the air cylinder.