Ejector may refer to:

Caterpillar 740 Ejector, an articulated hauler (dump truck) Hand ejector, a specific revolver (handgun) design Ejection seat, an escape device for aircraft Ejectment, a law term concerning recovering the possession of or title to land Ejector or injector, a pump-like device without moving parts (Static mechanical equipment) Ejector (firearms), an action component in firearms that pushes used cartridge casing out of the gun after firing Ejector rack, an aircraft fitting for carrying bombs Ejector (Transformers), a character from the Transformers franchise Ejector venturi scrubber, an industrial pollution control device Giesl ejector, a suction draught system for steam locomotives Kylpor ejector, a steam locomotive exhaust system Lempor ejector, a steam locomotive exhaust system Lemprex ejector, a steam locomotive exhaust system Steam ejector, a railway locomotive component used to create vacuum Vacuum ejector, a type of vacuum pump which uses the venturi effect.

See also Ejection (disambiguation) Injector (disambiguation)