| Gommecourt | |
| Commune Status: | Commune |
| Image Coat Of Arms: | Blason ville fr Gommecourt (Yvelines).svg |
| Arrondissement: | Mantes-la-Jolie |
| Canton: | Bonnières-sur-Seine |
| Insee: | 78276 |
| Postal Code: | 78270 |
| Mayor: | Gérard Solaro[1] |
| Term: | 2020 - 2026 |
| Intercommunality: | Portes de l'Île-de-France |
| Coordinates: | 49.0772°N 1.5933°W |
| Elevation M: | 120 |
| Elevation Min M: | 14 |
| Elevation Max M: | 123 |
| Area Km2: | 5.67 |
Gommecourt (in French pronounced as /ɡɔmkuʁ/) is a commune in the Yvelines department in the Île-de-France region in north-central France.