Atlantida is a poetic name of the mythical continent of Atlantis. It can also refer to:
- Atlantida (brachiopod), a genus of brachiopods
- Atlántida, Uruguay, a town in the department of Canelones, Uruguay
- Atlántida (department) in Honduras
- Atlántida Sport Club, a football club in Paraguay
- Atlantida (ancient city), a city along the Amazon River supposedly founded by Phoenicians
- Atlantida (band), a Serbian heavy metal band.