| Hallu | |
| Commune Status: | Commune |
| Arrondissement: | Péronne |
| Canton: | Moreuil |
| Insee: | 80409 |
| Postal Code: | 80320 |
| Mayor: | Patrice Vallée[1] |
| Term: | 2020 - 2026 |
| Intercommunality: | CC Terre de Picardie |
| Coordinates: | 49.7936°N 2.7897°W |
| Elevation M: | 83 |
| Elevation Min M: | 76 |
| Elevation Max M: | 91 |
| Area Km2: | 3.85 |
Hallu (in French pronounced as /aly/) is a commune in the Somme department in Hauts-de-France in northern France.
Hallu is situated on the D39 road, some 26miles southeast of Amiens, just a few hundred yards from the A1 autoroute.