Underwater Iceland
- An: 1997
- Pays: Finland, Iceland
- Genre: Documentaire
- Studio: Icelandic Film Corporation, Finnkino, MRP Matila Röhr Productions
- Mot-clé: fish, sea, island, lake, lava, shipwreck, iceberg, volcano, glacier, geyser, volcanic ash, volcanism, seabed
- Réalisateur: Marko Röhr
- Jeter: Antti Reini, Aro Ilola, Karl Gunnarsson, Mika Uusitalo, Juha Rajala, Mauri Koski