| Port Island | |
| Native Name: | Wyspa Portowa |
| Native Name Lang: | pl |
| Pushpin Map: | Poland#Baltic Sea |
| Pushpin Relief: | 1 |
| Coordinates: | 54.3811°N 18.7231°W |
| Location: | Baltic Sea |
| Area Km2: | 26,2 |
| Country: | Poland |
| Country Admin Divisions Title: | Voivodeship |
| Country Admin Divisions: | Pomeranian Voivodeship |
| Country Admin Divisions Title 1: | City |
| Country Admin Divisions 1: | Gdańsk |
| Country Admin Divisions Title 2: | Districts |
| Country Admin Divisions 2: | Krakowiec-Górki Zachodnie, Przeróbka, Stogi |
| Population: | 15317 |
| Population As Of: | 2021 |
| Population Footnotes: | [1] |
| Ethnic Groups: | Poles |
| Timezone: | CET |
| Utc Offset: | +1 |
| Timezone Dst: | CEST |
| Utc Offset Dst: | +2 |
Port Island (Polish: Wyspa Portowa, German: Die Nehrung) is an island located between Gdańsk Bay, Śmiała Wisła and Leniwka in northern Poland within the city limits of Gdańsk.
The island is divided into 3 administrative quarters:
Total: population 15,317, area 26,2 km2 (2021)
Industrial facilities of national importance are located on the island, incl. the Gdańsk refinery and Port Północny (Northern Port) with the Deepwater Container Terminal Gdańsk (part of the Port of Gdańsk).