Blue Switch

Blue Switch could refer to:
 * Blue switch, an object in Mario & Luigi: Partners in Time.
 * Blue switch, an object in Super Mario Galaxy 2.
 * Blue Switch, an e-Reader card for use with Super Mario Advance 4: Super Mario Bros. 3.
 * Blue Coin Block, an object also referred to as a Blue Switch in Super Mario 64 and Super Mario 64 DS.