Meridia may refer to:
Sibutramine, an orally administered agent for the treatment of obesity, and sold under the brand name Meridia Meridia, a genus of harvestman in the family Manaosbiidae Meridia, a planet turned Terminid Supercolony in the Game Helldivers II Meridia, one of the Daedric Princes in The Elder Scrolls series of computer games.