| Rethonvillers | |
| Commune Status: | Commune |
| Arrondissement: | Péronne |
| Canton: | Ham |
| Insee: | 80669 |
| Postal Code: | 80700 |
| Mayor: | Philippe Lefèvre[1] |
| Term: | 2020 - 2026 |
| Intercommunality: | CC Est de la Somme |
| Coordinates: | 49.7342°N 2.8667°W |
| Elevation M: | 80 |
| Elevation Min M: | 73 |
| Elevation Max M: | 95 |
| Area Km2: | 7.12 |
Rethonvillers is a commune in the Somme department in Hauts-de-France in northern France.
Rethonvillers is situated 32miles southeast of Amiens, on the D930 road