The 2005–06 Northern Counties East Football League season was the 24th in the history of Northern Counties East Football League, a football competition in England.
| Competition: | Northern Counties East Football League Premier Division |
| Season: | 2005–06 |
| Winners: | Buxton |
| Promoted: | Buxton Harrogate Railway Athletic |
| Matches: | 380 |
| Total Goals: | 1283 |
| Prevseason: | 2004–05 |
| Nextseason: | 2006–07 |
The Premier Division featured 18 clubs which competed in the previous season, along with two new clubs, promoted from Division One:
| Competition: | Northern Counties East Football League Division One |
| Season: | 2005–06 |
| Winners: | Carlton Town |
| Promoted: | Carlton Town Retford United |
| Matches: | 240 |
| Total Goals: | 857 |
| Prevseason: | 2004–05 |
| Nextseason: | 2006–07 |
Division One featured 14 clubs which competed in the previous season, along with two new clubs: