Blue block

Blue block may refer to:
 * The throwable Ice Block from Super Mario Bros. 3.
 * The Grab Block from Super Mario World.
 * The blue Cap Block from Super Mario 64 that contains the Vanish Cap.
 * Blue block, an object from Wario Land 4.
 * Blue block, an object from Wario: Master of Disguise.
 * Blue Coin Block, an object from Super Mario 64.