The 1987–88 United Counties League season was the 81st in the history of the United Counties League, a football competition in England.
| Competition: | United Counties League Premier Division |
| Season: | 1987–88 |
| Winners: | Spalding United |
| Promoted: | Spalding United |
| Matches: | 420 |
| Total Goals: | 1314 |
| Prevseason: | 1986–87 |
| Nextseason: | 1988–89 |
The Premier Division featured 19 clubs which competed in the division last season, along with two new clubs, promoted from Division One:
| Competition: | United Counties League Division One |
| Season: | 1987–88 |
| Winners: | British Timken Duston |
| Promoted: | Mirrlees Blackstone |
| Matches: | 380 |
| Total Goals: | 1321 |
| Prevseason: | 1986–87 |
| Nextseason: | 1988–89 |
Division One featured 17 clubs which competed in the division last season, along with three new clubs: