Pine Island may refer to:
Islands
Australia
- Pine Island Reserve, Australian Capital Territory
Canada
- Pine Island (Carp Lake, British Columbia), a small island in central British Columbia
- Pine Island (Ontario)
- Pine Island (Queen Charlotte Strait, British Columbia), a small island off northern Vancouver Island
- Pine Island Fort, an historic trading post on Pine Island, Saskatchewan, about 50 km east of Lloydminster
New Caledonia
- Pine Island (New Caledonia), also known as Isle of Pines
Spain
- Pine Islands, an alternate common (but informal) name for the Pityusic Islands, comprising the two main islands of Ibiza and Formentera and their surrounding islets
United States
- Pine Island (Lee County, Florida)
- Pine Island Sound, Lee County, Florida
- Pine Island National Wildlife Refuge
- Pine Island (Montana), an island in the Missouri River
- Pine Island (New Rochelle), in Westchester County, New York
- Pine Island (Lake Livingston), Texas
Towns
- Pine Island, Florida (disambiguation), multiple places
- Pine Island Center, Florida, in Lee County
- Pine Island Ridge, Florida, in Broward county
- Pine Island, Minnesota, a small city in Goodhue County
- Pine Island Township, Goodhue County, Minnesota near Pine Island
- Pine Island, New York
- Pine Island, South Carolina
- Pine Island, Texas
Other
- Pine Island (horse) (2003–2006), American thoroughbred racehorse
- Pine Island Bay, Antarctica
- Pine Island Bridge on the Carolina Southern Railroad near Myrtle Beach, South Carolina, United States
- Pine Island Glacier, Antarctica
- USS Pine Island (AV-12), US Navy ship from World War II