Smaug is a dragon in J. R. R. Tolkien's novel The Hobbit.
Smaug may also refer to: Smaug (lizard), a genus of lizards Smaug (protein), an RNA-binding protein Cnemaspis smaug, a species of gecko Tetramorium smaug, a species of myrmicine ant SMAUG, a multi-user dungeon derived from DikuMUD
See also Smog (disambiguation)