| 1812 in the United Kingdom |
| Other years |
| 1810 | 1811 | 1812 | 1813 | 1814 |
| Constituent countries of the United Kingdom |
| England | Ireland | Scotland | Wales |
| Sport |
| 1812 English cricket season |
Events from the year 1812 in the United Kingdom. The United Kingdom is still involved in the Napoleonic Wars with France and its attempts to stop French trade lead to the War of 1812 with the United States. Lord Wellington is active in the Peninsular War in Spain. This year also marks the only assassination of a British prime minister when Spencer Perceval is shot.