| Northamptonshire Regiment | |
|---|---|
 Cap badge of the Northamptonshire Regiment. | |
| Active | 1881–1960 |
| Country |  United Kingdom |
| Branch |  British Army |
| Type | Infantry |
| Role | Line infantry |
| Size | 2 Regular battalions 1–2 Militia and Special Reserve battalions |
| Garrison/HQ | Gibraltar Barracks, Northamptonshire (1881–1939) Quebec Barracks, Northamptonshire (1939–1960) |
| Colours | Black/Buff/Sky Blue |
The Northamptonshire Regiment was a line infantry regiment of the British Army in existence from 1881 until 1960. In 1960, it was amalgamated with the Royal Lincolnshire Regiment to form the 2nd East Anglian Regiment (Duchess of Gloucester's Own Royal Lincolnshire and Northamptonshire), which was amalgamated with the 1st East Anglian Regiment (Royal Norfolk and Suffolk), the 3rd East Anglian Regiment (16th/44th Foot) and the Royal Leicestershire Regiment to form the present Royal Anglian Regiment.