SP

SP can mean:
 * Star Point, a type of experience point from the first two Paper Mario games.
 * Star Power, a meter used for Special Moves from the first two Paper Mario games.
 * Special Point, a status point from the Mario & Luigi series.
 * Game Boy Advance SP, an upgraded version of the Game Boy Advance.
 * Game Boy Horror SP, an upgraded version of the Game Boy Horror (which was from Luigi's Mansion) from Mario & Luigi: Superstar Saga.
 * Mailbox SP, an item from Paper Mario: The Thousand-Year Door.
 * Catch Card SP, a better version of the Catch Card from Super Paper Mario.