Adelaide United Football Club is an Australian professional association football club based in Adelaide, South Australia.
Adelaide United's first National Soccer League match was against the Brisbane Strikers, and they met their 25th and most recent different league opponent, Macarthur FC, for the first time in the 2020–21 A-League season.
The team that Adelaide United have played most in league competition is Melbourne Victory, who they first met in the 2005–06 A-League season; the 28 defeats from 60 meetings is more than they have lost against any other club.
Newcastle Jets have drawn 15 league encounters with Adelaide United, more than any other club.
Adelaide United have recorded more league victories against Brisbane Roar than against any other club, having beaten them 25 times out of 55 attempts.