Gnarl

Gnarl may refer to:


 * A rough, knotty protuberance, especially on a tree:
 * Gall, any abnormal outgrowth of plant tissues,
 * Burl, hard rounded outgrowth on a tree trunk.
 * GNARL or Gnu Ada Runtime Library, a library for the Ada programming language
 * Gnarl (Alien Racers), a character in the 2005 animated program Alien Racers
 * Gnarl, a character in the 2007 video game Overlord
 * Gnarl!, a 2000 short story collection by Rudy Rucker