The 2021–22 season was Arbroath's third consecutive season in the Scottish Championship, following their promotion from Scottish League One in the 2018–19 season.

They also competed in the Scottish League Cup, Scottish Challenge Cup and the Scottish Cup.

In May 2021, the SPFL confirmed the return of the Scottish Challenge Cup after being scrapped for the 2020–21 season however, teams from Wales, Northern Ireland and the Republic of Ireland would not be included to reduce unnecessary travel during the COVID-19 pandemic.

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