| Port-le-Grand | |
| Commune Status: | Commune |
| Arrondissement: | Abbeville |
| Canton: | Abbeville-1 |
| Insee: | 80637 |
| Postal Code: | 80132 |
| Mayor: | Jean-Jacques Jameas[1] |
| Term: | 2020 - 2026 |
| Intercommunality: | CC Ponthieu-Marquenterre |
| Coordinates: | 50.1619°N 1.7492°W |
| Elevation M: | 7 |
| Elevation Min M: | 2 |
| Elevation Max M: | 64 |
| Area Km2: | 11.28 |
Port-le-Grand is a commune in the Somme department in Hauts-de-France in northern France.
Port-le-Grand is situated on the D40 road, some 5miles northwest of Abbeville.
It is considered the birthplace of Saint Honorius of Amiens (d. 600 AD). From time immemorial it was the site of a ferry to cross the river. As Portus Icius it is mentioned in the vita of Saint Austreberthe, whose name is reflected in the small River Austreberthe.