Nail may refer to:

• Nail (anatomy), toughened keratin at the end of an animal digit
• Nail (fastener), the pin-shaped fastener used in engineering, woodworking and construction
• Nail (relic), used in the crucifixion of Christ
• Nail (unit), an archaic multiplier equal to one sixteenth of a base unit
• Nail (program/MUA), Nail is a lightweight console-based mail client(MUA), made to be a modern replacement for the ancient mailx command.
• The Nails, a 1970s band from Colorado
• Nail (album), an album by Scraping Foetus Off The Wheel
• Neurotics Anonymous International Liaison
• Nail, a Namekian in Dragon Ball

See also

• Jimmy Nail