| Guillaucourt | |
| Commune Status: | Commune |
| Arrondissement: | Péronne |
| Canton: | Moreuil |
| Insee: | 80400 |
| Postal Code: | 80170 |
| Mayor: | Ludovic Kusnierak[1] |
| Term: | 2020 - 2026 |
| Intercommunality: | CC Terre de Picardie |
| Coordinates: | 49.8428°N 2.6322°W |
| Elevation M: | 87 |
| Elevation Min M: | 52 |
| Elevation Max M: | 96 |
| Area Km2: | 6.37 |
Guillaucourt (in French pronounced as /ɡijokuʁ/) is a commune in the Somme department in Hauts-de-France in northern France.
Guillaucourt is situated 16miles southeast of Amiens at the D165 and D136 junction and very close to the A29 autoroute.