Impactor may refer to: * A large meteoroid, asteroid, comet, or other celestial object which causes an

impact event An impact event is a collision between astronomical objects causing measurable effects. Impact events have been found to regularly occur in planetary systems, though the most frequent involve asteroids, comets or meteoroids and have minimal effe ...

* 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.

See also