Atlantica (disambiguation)
Atlantica may refer to:
- Atlantica, an ancient continent
 - Atlantica (gastropod), genus of land snails in the family Discidae
 - Atlantica-1, a submarine telecommunications cable system linking the US, Bermuda, Venezuela and Brazil
 - Atlántica (magazine), a magazine about art published in the Canary Islands
 - Atlantica Online, an online game
 - Atlantica, the eleventh stage in Gaiapolis.
 - Atlantica, a Need for Speed III: Hot Pursuit track.
 - Wingco Atlantica, a prototype aircraft
 - Atlantica, a fictional undersea kingdom in the 1989 Disney animated film The Little Mermaid
 - Atlantica Sustainable Infrastructure, a British company
 - Atlantica, 2015 Israel comedy-drama TV series by screenwriter Noah Stollman.