List of Northampton Town F.C. seasons

This is a list of seasons played by Northampton Town Football Club in English football. It covers the period from the club's inaugural season in 1899, to the end of the last completed season. It details the club's achievements in all major competitions, together with the top scorers and the average attendances for each season. Details of the abandoned 1939–40 season and unofficial Second World War leagues are not included.

Northampton Town were founded in 1897, joining the Northamptonshire League and then the Midland League for two seasons before taking their place in the Southern League, and finally joined The Football League for the 1920–21 season.

Key
Key to league record:
 * P = Played
 * W = Games won
 * D = Games drawn
 * L = Games lost
 * F = Goals for
 * A = Goals against
 * Pts = Points
 * Pos = Final position

Key to divisions:
 * Div 1 = Football League First Division
 * Div 2 = Football League Second Division
 * Div 3 = Football League Third Division
 * Div 4 = Football League Fourth Division
 * Lge 1 = Football League One
 * Lge 2 = Football League Two
 * SL = Southern League
 * ML = Midland League
 * NL = Northamptonshire League

Key to rounds:
 * DNE = Did not enter
 * PR = Preliminary round
 * 1QR = First Qualifying Round
 * 2QR = Second Qualifying Round
 * 3QR = Third Qualifying Round
 * 4QR = Fourth Qualifying Round
 * 5QR = Fifth Qualifying Round
 * 6QR = Sixth Qualifying Round
 * R1 = Round 1
 * R2 = Round 2
 * R3 = Round 3
 * R4 = Round 4


 * R5 = Round 5
 * Grp = Group stage
 * QF = Quarter-finals
 * AQF = Area Quarter-finals
 * SF = Semi-finals
 * ASF = Area Semi-finals
 * RU = Runners-up
 * W = Winners

Top scorers shown in bold are Northampton Town who were also top scorers in their division that season.