Sisters Islands
Sister or Sisters Island or Islands may refer to several individual islands or island groups:
Antarctic
- The Sisters (Victoria Land), a pair of Antarctic islands consisting of Gertrude Rock and Rose Rock (Victoria Land)
 
Australia
- Sisters Islands (Queensland)
 - Sisters Island (Tasmania), north-west Tasmania
 - Sisters Island Group, Tasmania, Furneaux Group
 
Canada
- Sisters Islands (Nunavut), Canada
 - East Sister Island, Lake Erie, Ontario
 
Cayman Islands
India
- The Sisters (Andaman), two islands in the Duncan Passage, Andaman Islands, India
 
New Zealand
- The Sisters/Rangitatahi, Chatham Islands
 
Singapore
United States
- Sister Islands (Wisconsin)
 - The Sisters (California)
 - Middle Sister Island, Lake Erie, Ohio
 - West Sister Island, Lake Erie, Ohio
 - Sisters Island, Michigan, in Monroe County
 - Sister Islands, in Lake Bonaparte (New York)
 - A small group of islands just northwest of Grand Isle in Lake Champlain, Vermont