|Area||22 km2 (8.5 sq mi)|
|Pop. density||1,583 /km2 (4,100 /sq mi)|
Tromsøya (Northern Sami: Romssasuolu) is a small island in the Tromsøysundet strait between the mainland and Kvaløya island in Tromsø municipality, Troms county, Norway. It contains the city centre of Tromsø and several residential areas. The 22.8 square kilometres (8.8 sq mi) island has a population (2012) of 36,088, which gives the city a population density of 1,583 inhabitants per square kilometre (4,100/sq mi).
Tromsø Airport is situated on the western side of the island. Prestvannet lake is located in the middle of the island and the lake and the area around it is now a nature reserve area. The island is connected to Tromsdalen on the mainland to the east by the Tromsø Bridge and Tromsøysund Tunnel and it is connected to the village of Kvaløysletta on Kvaløya island to the west by the Sandnessund Bridge.
- Statistisk sentralbyrå (1 January 2012). "Urban settlements. Population and area, by municipality.".
Media related to Tromsøya at Wikimedia Commons