A newt is an aquatic animal.

Newt may also refer to:

• Newt (name), any of several people or fictional characters
• Newt, Kentucky, an unincorporated community
• HMS Newt, a British Second World War shore establishment
• Newt (programming library), a library for text-mode user interfaces
• Newt (film), a planned animated Pixar film cancelled in 2010
• Nastily Exhausting Wizarding Test (N.E.W.T.), an aptitude test in the Harry Potter series
• Newt (band), a collaboration between Daniel Myer and Andreas Meyer
• The Newt in Somerset, a hotel and visitor attraction at Hadspen House, England