| Country: | England |
| Official Name: | Westhorp |
| Coordinates: | 52.1732°N -1.2531°W |
| Unitary England: | West Northamptonshire |
| Lieutenancy England: | Northamptonshire |
| Region: | East Midlands |
| Constituency Westminster: | Daventry |
| Post Town: | Daventry |
| Postcode District: | NN11 |
| Postcode Area: | NN |
| Dial Code: | 01327 |
| Os Grid Reference: | SP511530 |
Westhorp is a hamlet in the county of Northamptonshire, England.[1] Expansion has led to its merger with the neighbouring village of Byfield. Westhorp is in the civil parish of Byfield.[2]