2003–04 United Counties League

The 2003–04 United Counties League season was the 97th in the history of the United Counties League, a football competition in England.

Premier Division
The Premier Division featured 20 clubs which competed in the division last season, along with two new clubs:
 * Harrowby United, promoted from Division One
 * Spalding United, relegated from the Southern Football League

Division One
Division One featured 15 clubs which competed in the division last season, along with three new clubs:
 * Kempston Rovers, relegated from the Premier Division
 * Eye United, joined from the Peterborough and District League
 * Huntingdon Town, joined from the Cambridgeshire League