Ram Island or Ram's Island may refer to:

• Ram Island (Tasmania)
• Ram Island (Victoria)

• Ram Island (Indonesia), in West Papua

• Ram's Island, Northern Ireland

• Ram Island (Connecticut), in Connecticut, United States
• Ram Island (Massachusetts), in the Merrimack River, Massachusetts, United States
• Ram Island, also called Big Ram Island, in New York, United States, joined by causeway to Shelter Island
• Ram Island (Washington), part of the San Juan Islands, Washington, United States

• Ram Island (Booth Bay), in Booth Bay, Maine, near Fisherman's Island, south of Ocean Point
  • Its lighthouse, Ram Island Light
• Ram Island (Casco Bay), in Casco Bay, Maine, United States, close to the Ram Island Ledge
  • Its lighthouse, Ram Island Ledge Light
• Ram Island (Saco Bay), off Saco, Maine, owned by the University of New England