Dormant means lacking activity. It can refer to several things.

• Dormancy in an organism's life cycle
• Dormant volcano, a volcano that is inactive but may become active in the future
• Dormant (heraldry), in heraldry, signifying a sleeping animal with head resting upon paws
• A company that is currently inactive
• A title of nobility or hereditary knighthood for which a claimant has yet to be found.