Nicholson Island
Nicholson Island may refer to:
- Nicholson Island (Antarctica), part of the Bailey Rocks, off Antarctica
 - Nicholson Island (Lake Ontario) an island in Ontario's Prince Edward County, Canada
 - Nicholson Island (Pennsylvania) an island on the Alleghany River, US
 - Nicholson Island (Ritchie's Archipelago), Andaman Islands, India