Santiago Island may refer to:
*
Isla Santiago (Baja California Sur)
Isla Santiago, is an island in the Gulf of California, east of the Baja California Peninsula in Baja California Sur state.
The uninhabited island is within Loreto Municipality.
Biology
Isla Santiago has only one species
In biology, a s ...
*
Santiago Island (Cape Verde)
*
Santiago Island (Galápagos)
Santiago Island () is one of the Galápagos Islands. It is also known as San Salvador, named after the first island discovered by Columbus in the Caribbean Sea (see San Salvador Island), or as James Island. The island, which consists of tw ...
*
Santiago Island (Philippines)
Santiago Island is an island located off the northeast coast of Bolinao, Pangasinan, Philippines. It is composed of six barangays namely Binabalian, Goyoden, Lucero, Pilar, Salud, and Victory, all within the municipality of Bolinao. Located in thi ...
{{Disambig