| 1820 in the United Kingdom |
| Other years |
| 1818 | 1819 | 1820 | 1821 | 1822 |
| Constituent countries of the United Kingdom |
| England | Ireland | Scotland | Wales |
| Sport |
| 1820 English cricket season |
Events from the year 1820 in the United Kingdom. This year sees a change of monarch after a nine-year Regency.