The name Newt is a boy's name of English origin meaning "a small salamander". Newt and is often added to lists like Names from Harry Potter and discussed in our forums with posts like "Release the 20 T.I.G.E.R.S. -- the anti-elimination game! (BOYS)".
From the experts:
Rarely used on its own and irrevocably tied to former House Speaker Gingrich -- who was christened Newton.