List of ADO Den Haag seasons

This is a list of the seasons played by ADO Den Haag from 1956 when the club entered the Eredivisie, the club was established in 1905, to the most recent seasons. The club's achievements in all major national and international competitions as well as the top scorers are listed. Top scorers in bold and colored background were also top scorers of the Eredivisie.

ADO Den Haag have won the Netherlands Football League Championship two times; both of them before the start of the Eredivisie. The club have also won the KNVB Cup twice.

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 rounds:
 * Prel. – Preliminary round
 * QR1 – First qualifying round
 * QR2 – Second qualifying round, etc.
 * Inter – Intermediate round (between qualifying rounds and rounds proper)
 * GS – Group stage
 * 1R – First round
 * 2R – Second round, etc.
 * R64 – 1/32 Final (round of 64)
 * R32 – 1/16 Final (round of 32)
 * R16 – 1/8 Final (round of 16)
 * QF – Quarter-final
 * SF – Semi-final
 * F – Final
 * W – Winners
 * DNE – Did not enter

Key to competitions
 * JCS – Johan Cruyff Shield
 * EC – European Cup (1955–1992)
 * UCL – UEFA Champions League (1992–present)
 * CWC – UEFA Cup Winners' Cup (1960–1999)
 * UC – UEFA Cup (1971–2009)
 * UEL – UEFA Europa League (2009–present)
 * USC – UEFA Super Cup
 * FCWC – FIFA Club World Cup