Acid (disambiguation)

Acid can refer to:
 * a hazardous liquid which appears in:
 * Planet Zebes, a stage in Super Smash Bros.
 * Brinstar, a stage introduced in Super Smash Bros. Melee.
 * Master Fortress, a boss stage in.
 * a paralysis-inducing attack by Kihunters in Smash Run.
 * , a Smasher from Delaware who mains.
 * , a Smasher from Colorado who mains.
 * , a Smasher from France who mains.