Nail usually refers to:
- Nail (anatomy), toughened protective protein-keratin at the end of an animal or human digit, such as fingernail
- Nail (fastener), the pin-shaped fastener used in engineering, woodworking and construction
Nail or Nails may also refer to:
Objects
Arts and entertainment
People
Businesses
Other uses
- Nail (beak), a plate of hard horny tissue at the tip of some bird beaks
- Nail (unit), an archaic multiplier equal to one sixteenth of a base unit
- Nail, Arkansas, an unincorporated community in the United States
- Nail, project name for the Heirloom Project mailx Unix computer utility
- Soil nailing, a soil-stabilization technique
See also