Flat Island may refer to:

• Flat Island (Antarctica), in Robertson Bay
• Flat Island (Hong Kong)
• Flat Island (Spratly) in the South China Sea
• Flat Island (Falkland Islands) in the south Atlantic Ocean
• Flat Island Wildlife Sanctuary, in the Andaman Islands
• Flat Island, a former separate island now merged by recent volcanic activity with McDonald Island, in the southern Indian Ocean
• Flat Island, one of the Engineer Islands in southeast Papua New Guinea
• Île Plate, also known as Flat Island, a small island off the north coast of Mauritius
• Sandy Point, Newfoundland and Labrador

See also

• Flat Islands (disambiguation)
• Flat Isles
• Flat Islet, Queensland

Topics referred to by the same term

This disambiguation page lists articles about distinct geographical locations with the same name.
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