Underwater World

Underwater World may refer to:

• Underwater World, Singapore
• UnderWater World, Queensland
• UnderWater World Guam
• Kelly Tarlton's Sea Life Aquarium, formerly Kelly Tarlton's Underwater World
• Nanjing Underwater World
• The Aquarium of Western Australia (AQWA), formerly Underwater World, Perth.
• SEA LIFE Minnesota Aquarium in Minneapolis, Minnesota.

In music:

• Underwater World, a song by the Finnish glam punk band Hanoi Rocks