Celtic and
Rangers were approached by the Lowland League for a proposal to admit "B" teams into the league for the 2021–22 season. The proposal was given provisional approval by the majority of member clubs, with the vote being confirmed at the league's AGM on 27 May 2021. BSC Glasgow changed their name to
Broomhill in July 2021. The following teams changed division after the 2020–21 season.
From Lowland League Promoted to League Two •
Kelty Hearts To Lowland League •
Celtic B •
Rangers B Stadia and locations ;Notes All grounds are equipped with floodlights.
Personnel and kits }
Managerial changes ==League summary==