| Frettecuisse | |
| Commune Status: | Commune |
| Arrondissement: | Amiens |
| Canton: | Poix-de-Picardie |
| Insee: | 80361 |
| Postal Code: | 80140 |
| Mayor: | Agnès Facquet[1] |
| Term: | 2020 - 2026 |
| Intercommunality: | CC Somme Sud-Ouest |
| Coordinates: | 49.9244°N 1.8128°W |
| Elevation M: | 107 |
| Elevation Min M: | 83 |
| Elevation Max M: | 143 |
| Area Km2: | 5.27 |
Frettecuisse (in French pronounced as /fʁɛtkɥis/) is a commune in the Somme department in Hauts-de-France in northern France.
Frettecuisse is situated on the D29 road, some 25km (16miles) south of Abbeville.