Oak Island
- Country: United States
- State: North Carolina
- Population: 7,722 (2016)
- Latitude: 33° 55' N (33.91656°)
- Longitude: 78° 9.7' W (-78.16111°)
- Elevation: 2 m/7 ft. above sea level
- Time zone: America/New_York (UTC -05:00); DST observed (UTC -04:00)
- Alternate names: Long Beach (in part), Yaupon Beach (in part)