16 teams were initially expected to participate in the inaugural National League, with
Hound Dogs dropping down to the
2019–20 Gibraltar Intermediate League, having been granted special dispensation by the GFA. On 9 August,
Gibraltar Phoenix withdrew from the league. Two days before,
Gibraltar United were threatened with expulsion if they failed to repay debts by 12 August. On 12 August, the GFA confirmed the withdrawal of Gibraltar Phoenix and Gibraltar United. On 22 August, it was reported that
Olympique 13 were at risk of withdrawing from the league, having forfeited their game against
Europa due to a shortage of players. They were expelled on 11 September. Teams with a blue background played in the
2018–19 Gibraltar Premier Division. Teams with a red background played in the
2018–19 Gibraltar Second Division. Note: Flags indicate national team as has been defined under
FIFA eligibility rules. Players may hold more than one non-FIFA nationality.
Managerial changes ==League table==