The 2021 Jordan League Division 1 started on 29 August 2021 and concluded on 23 November 2021.
The league featured 11 teams from the 2020 campaign, two new teams relegated from the 2020 Pro League: Al-Baqa'a and That Ras, and one new team promoted from the 2020 Jordan League Division 2: Amman FC.
A total of 14 teams are contesting the league, including 10 sides from the 2020 season, two relegated from the 2020 Pro League, and two promoted from the 2020 Jordan League Division 2.
Team changes
The following teams have changed division since the 2020 season.