A crest is any of various anatomical features appearing as a raised point or ridge, most prominently those on the head or back of an animal.

• A part of a bone:
  • Sagittal crest
  • Cnemial crest
  • Iliac crest
  • Frontal crest
  • Infratemporal crest
  • Anterior lacrimal crest
  • Posterior lacrimal crest
  • Buccinator crest
• A feature on various animals:
  • Crest (feathers)
  • Display feature or thermoregulatory feature in various reptiles
  • Sail (anatomy), also known as crest in some animals
  • The point of a horse's neck where the mane grows from
• Neural crest, a temporary group of cells unique to vertebrates that arise from the embryonic ectoderm cell layer