The 1997–98 Combined Counties Football League season was the 20th in the history of the Combined Counties Football League, a football competition in England.
| Competition: | Combined Counties Football League |
| Season: | 1997–98 |
| Winners: | Ashford Town |
| Matches: | 380 |
| Total Goals: | 1401 |
| Prevseason: | 1996–97 |
| Nextseason: | 1998–99 |
The league featured 19 clubs from the previous season, along with one new club: