| Settlement Type: | Part of the city of Tromsø |
| Pushpin Map: | Troms#Norway |
| Pushpin Label: | Tromsdalen |
| Pushpin Label Position: | top |
| Subdivision Type: | Country |
| Subdivision Name: | Norway |
| Subdivision Name1: | Northern Norway |
| Subdivision Name2: | Troms |
| Subdivision Type3: | District |
| Subdivision Name3: | Hålogaland |
| Subdivision Type4: | Municipality |
| Subdivision Name4: | Tromsø Municipality |
| Utc Offset1: | +01:00 |
| Utc Offset1 Dst: | +02:00 |
| Area Total Km2: | 5.13 |
| Population As Of: | 2023 |
| Population Total: | 18202 |
| Population Density Km2: | 3548 |
| Postal Code Type: | Post Code |
| Postal Code: | 9020 Tromsdalen |
| Coordinates: | 69.6442°N 18.9992°W |
| Elevation M: | 47 |
| Elevation Footnotes: | [1] |
or [2] is an urban neighborhood in the city of Tromsø which is in Tromsø Municipality in Troms county, Norway. It is located just to the east of the city centre on the mainland along the coast of the Tromsøysundet strait. The 5.13km2 village has a population (2023) of 18,202 and a population density of .[3]
The urban area encompasses a good portion of the valley in which it is located. Tromsdalen, which literally means Troms valley, is connected to the island of Tromsøya by the Tromsø Bridge. The European route E8 highway runs through the northern part of Tromsdalen. The Tromsdalselva river flows through the valley.[4] The Arctic Cathedral is located here.
Popular attractions in Tromsdalen are the Arctic Cathedral and the Fjellheisen aerial tramway to the top of a nearby fell; the tramway ends at an elevation of where the view is stunning. The mountain Tromsdalstinden is located at the eastern end of Tromsdalen and reaches an elevation of . The climb to the top of this mountain is very popular with the Tromsø residents, since mountain climbing equipment is not needed.[5]