St. John's Island or St. John Island may refer to:
- Saint John, U.S. Virgin Islands, an island of the U.S. Virgin Islands
- Saint John's Island, Singapore
- St. John's Island, Canada, former name of Prince Edward Island to 1798
- St. John's Island, Egypt
- Shangchuan Island or Saint John Island, China, originally from São João ("Saint John" in Portuguese)
- St. Ivan Island, in Bulgaria (Ivan is the Bulgarian name corresponding to John)
Topics referred to by the same termThis disambiguation page lists articles about distinct geographical locations with the same name.If an internal link led you here, you may wish to change the link to point directly to the intended article. Category: