Shakedown or Shake Down may refer to:
- Shakedown (continuum mechanics), a type of plastic deformation
- Shakedown (testing) or a shakedown cruise, a period of testing undergone by a ship, airplane or other craft before being declared operational
- Extortion, a criminal act of coercion or intimidation for personal gain
- A colloquial term for an inspection for contraband inside a prison
- An English term for kuzushi techniques of various Japanese martial arts, which literally means shaking down the opponent