| 31st (Huntingdonshire) Regiment of Foot | |
|---|---|
_Regiment_of_Foot&sq=&lang=&file=File:31st_Foot_Colours.jpeg) Colours of the 31st (Huntingdonshire) Regiment of Foot | |
| Active | 1702–1881 |
| Country |  Kingdom of England (1702–1707)
 United Kingdom (1801–1881) |
| Allegiance |  British Army |
| Type | Infantry |
| Garrison/HQ | The Barracks, Kingston upon Thames |
| Nickname(s) | The Young Buffs |
| Colors | Buff facings |
| Engagements | War of the Austrian Succession American Revolutionary War Peninsular War First Anglo-Afghan War Crimean War |
The 31st (Huntingdonshire) Regiment of Foot was an infantry regiment of the British Army, raised in 1702. Under the Childers Reforms it amalgamated with the 70th (Surrey) Regiment of Foot to form the East Surrey Regiment in 1881.