Crest may refer to:

• Crest (bird), the distinctive head plumage exhibited by birds such as cockatoos
• Crest (physics), the section of a wave that rises above an undisturbed position
• Crest factor, a dimensionless number quantifying the shapes of waves
• Crest (audio), An American Manufacturer of Power Amplifiers, and Mixing Consoles
• Crest (heraldry), a symbol standing atop a knight's helm
• Crest (hydrology), in hydrology, the highest level above a certain point (the datum point, or reference point) that a river will reach in a certain amount of time. This term is usually limited to a flooding event.
• Crest toothpaste, the name of a popular toothpaste in Canada, the USA, and the United Kingdom
• CREST, a securities depository and settlement service of the United Kingdom and Republic of Ireland, operated by CRESTCo Ltd
• CREST syndrome is a limited form of the disease scleroderma.
• Sagittal crest, a ridge of bone running lengthwise along the midline of the top of the skull of many mammalian and primate skulls
• Crest, California is an unincorporated community located in San Diego County, California.
• Crest Theatre, a historic theatre located in downtown Sacramento, California
• Crest, Drôme, a commune of the Drôme département in France
• CREST Newcastle is the Centre for Rehabilitation Engineering Studies
• Mountain Crest Brewing Corp., a brewery

Kresto