Startle (disambiguation)

The startle response is an unconscious defensive response to sudden or threatening stimuli.

Startle may also refer to:


 * Startle display or deimatic behaviour, any pattern of bluffing behaviour in an animal that lacks strong defences
 * Startle syndrome or hyperekplexia, a rare neurologic disorder
 * Fear-potentiated startle, a reflexive physiological reaction to a presented stimulus