Knuckle (disambiguation)

A knuckle is a joint on the hand.

It may also refer to:
*Knuckle (shipbuilding), a mechanism where the round projecting part of a hinge through which the pin is run, and in shipbuilding to an acute angle on some of the timbers.
*Brass knuckles, a weapon used in hand-to-hand combat.
*Knuckleball, a baseball pitch with wild movement that is thrown with the knuckles.
*Cracking knuckles, manipulating the knuckle joints to produce a "cracking" sound.
*Knuckles the Echidna, a fictional character from the "Sonic the Hedgehog" series of video games, cartoons, and British comic series.
**Knuckles the Echidna (comic character), Knuckles as he appears in the "Sonic the Hedgehog" comics.
**Knuckles the Echidna (comic series), a comic book featuring Knuckles.
*Knuckle, a character in "The Legend of Zelda" series of video games.
*Knuckles mountains, a mountain range in central Sri Lanka.
*Game of Knuckles, a game using a coin.