| Étrun | |
| Native Name: | Stroom |
| Commune Status: | Commune |
| Image Coat Of Arms: | Blason Étrun.svg |
| Arrondissement: | Arras |
| Canton: | Arras-1 |
| Insee: | 62320 |
| Postal Code: | 62161 |
| Mayor: | Michel Mathissart[1] |
| Term: | 2020 - 2026 |
| Intercommunality: | CU Arras |
| Coordinates: | 50.315°N 2.7019°W |
| Elevation M: | 153 |
| Elevation Min M: | 58 |
| Elevation Max M: | 107 |
| Area Km2: | 2.22 |
Étrun (in French pronounced as /etʁœ̃/; Stroom) is a commune in the Pas-de-Calais department in the Hauts-de-France region of France.[2]
A farming village situated 4miles northwest of Arras, at the junction of the N39 and the D55 roads. The river Gy flows through the commune.