List of Kidderminster Harriers F.C. seasons
The table below is a list of Kidderminster Harriers F.C. seasons from the formation of the club in 1886 to the most recent completed season. The list details the club's achievements in all first-team competitions and records their top league goalscorer and average home league attendance, where known.
Based in Kidderminster, Worcestershire, they are the only club from Worcestershire ever to have played in the Football League, winning promotion from the Conference in 2000 and spending five seasons in the fourth tier until relegation in 2005. Their highest league finish is 10th in the 2001–02 season.
In addition to the club's time in the Football League, over the course of 125 completed seasons Kidderminster Harriers have competed in 59 seasons of the Birmingham & District League/West Midlands (Regional) League, two seasons in the Birmingham Combination, 23 seasons in the Southern League, 29 seasons in what is currently known as the National League and seven seasons in the National League North.
As of the 2024–25 season, the club participates in the National League North, at step two of non-league and the sixth tier of English football.
Key
;Key to divisions:;Key to league position
colour codes and symbols:
| 1st | League champions but no promotion gained |
| Promoted as champions | |
| Promoted | |
| Lost in play-offs | |
| Relegated |
;Key to cup colour codes
and rounds:
| W | Winners |
| F | Finalists / runners-up |
| SF | Semi-finals |
| QF | Quarter-finals |
| R1 | First round, etc. |
| R1 | Southern section first round, etc |
| R1 | Northern section first round, etc |
| 1Q | First round qualifying, etc. |
| IR | Intermediate round |
| PR | Preliminary round |