Cat Island may refer to:
Places
Japan
Some islands of Japan are called Cat Island (猫島) due to a high population of cats.
- Cat islands in Japan
:* Aoshima, Ehime
:* (深島), an island of Saiki, Ōita
:* Manabeshima, Okayama
:* Tashirojima, Miyagi
United States
- Cat Island (Louisiana)
- Cat Island (Massachusetts), United States
- Cat Island (Mississippi), United States
- Cat Island (South Carolina), one of the Sea Islands in Beaufort County, South Carolina, United States
- Cat Island (Wisconsin), United States
- Cat Island National Wildlife Refuge, Louisiana, United States
Elsewhere
- Cat Island (Antarctica)
- Cat Island (Tasmania), Australia
- Cat Island, Bahamas
- Cat Island (Rodrigues), Mauritius
Other
- Cat Island, Rum Cay & San Salvador, a parliamentary constituency represented in the House of Assembly of the Bahamas
- Cat Island, a 1981 science fiction novel by Walter Jon Williams
See also
- Cát Bà Island, Vietnam
- Wild Cat Island
