| Caswell | |
|---|---|
 Allen Clark Research Centre seen from across the lake | |
.svg)  Caswell Location within Northamptonshire | |
| OS grid reference | SP651511 |
| • London | 65 miles (105 km) SE |
| Civil parish | |
| Unitary authority | |
| Ceremonial county | |
| Region | |
| Country | England |
| Sovereign state | United Kingdom |
| Post town | TOWCESTER |
| Postcode district | NN12 |
| Dialling code | 01327 |
| Police | Northamptonshire |
| Fire | Northamptonshire |
| Ambulance | East Midlands |
| UK Parliament | |
Caswell is a lost settlement within Greens Norton civil parish in West Northamptonshire, England, approximately 3 miles (5 km) north-west of Towcester, 8 miles (13 km) south-west of Northampton and 12 miles (19 km) north-west of Milton Keynes. It consists almost entirely of Caswell Park science and technology park, which has developed since the 1940s around a 19th-century farmhouse.