Underwater Iceland
- Sal: 1997
- Welat: Finland, Iceland
- Genre: Documentary
- Studio: Icelandic Film Corporation, Finnkino, MRP Matila Röhr Productions
- Keyword: fish, sea, island, lake, lava, shipwreck, iceberg, volcano, glacier, geyser, volcanic ash, volcanism, seabed
- Serek: Marko Röhr
- Avdan: Antti Reini, Aro Ilola, Karl Gunnarsson, Mika Uusitalo, Juha Rajala, Mauri Koski