| Erches | |
| Commune Status: | Commune |
| Arrondissement: | Montdidier |
| Canton: | Roye |
| Insee: | 80278 |
| Postal Code: | 80500 |
| Mayor: | Xavier Balzot[1] |
| Term: | 2020 - 2026 |
| Intercommunality: | CC Grand Roye |
| Coordinates: | 49.7233°N 2.6717°W |
| Elevation M: | 96 |
| Elevation Min M: | 90 |
| Elevation Max M: | 106 |
| Area Km2: | 8.21 |
Erches (in French pronounced as /ɛʁʃ/; Èrche) is a commune in the Somme department in Hauts-de-France in northern France.
Erches is situated on the D54 road, some 5miles northwest of Roye.