Impactor may refer to:
A large meteoroid, asteroid, comet, or other celestial object which causes an impact event Impactor (Transformers), a fictional character Impactor (spacecraft), a craft designed for high-velocity landing Impact wrench, a power tool IMPACTors, former name of the Japanese band IMP A device that uses aerosol impaction Cascade impactor Andersen sampler
See also
Impact (disambiguation) Impaction (disambiguation)