The 2011–12 United Counties League season (known as the 2011–12 ChromaSport & Trophies United Counties League for sponsorship reasons) was the 105th in the history of the United Counties League, a football competition in England.
| Competition: | United Counties League Premier Division |
| Season: | 2011–12 |
| Winners: | Long Buckby |
| Promoted: | King's Lynn Town |
| Relegated: | Thrapston Town |
| Matches: | 420 |
| Total Goals: | 1534 |
| Prevseason: | 2010–11 |
| Nextseason: | 2012–13 |
The Premier Division featured 18 clubs which competed in the division last season, along with three new clubs:
| Competition: | United Counties League Division One |
| Season: | 2011–12 |
| Winners: | Huntingdon Town |
| Promoted: | Huntingdon Town Harborough Town |
| Matches: | 272 |
| Total Goals: | 993 |
| Prevseason: | 2010–11 |
| Nextseason: | 2012–13 |
Division One featured 15 clubs which competed in the division last season, along with two new clubs, relegated from the Premier Division: