Warm up (disambiguation)
Warming up is the preparation for physical exertion or a performance by exercising or practising gently beforehand.
Warm up or Warm Up may also refer to:

Warm Up (EP), by Bad Gyal, 2021
Warm Up!, a racing simulator
The Warm Up, a 2009 mixtape by J. Cole
Opening act, act performed before the headline
Vocal warm-up, exercises for the voice