| Étréjust | |
| Commune Status: | Commune |
| Arrondissement: | Amiens |
| Canton: | Poix-de-Picardie |
| Insee: | 80297 |
| Postal Code: | 80140 |
| Mayor: | Céline Beaucourt[1] |
| Term: | 2020 - 2026 |
| Intercommunality: | CC Somme Sud-Ouest |
| Coordinates: | 49.9125°N 1.8903°W |
| Elevation M: | 72 |
| Elevation Min M: | 52 |
| Elevation Max M: | 128 |
| Area Km2: | 3.78 |
Étréjust (Picard: Utruju) is a commune in the Somme department in Hauts-de-France in northern France.
Étréjust is situated at the junction of the D157a and D157b roads, some 34km (21miles) west of Amiens.