2019–20 Algerian Ligue Professionnelle 1
The 2019–20 Algerian Ligue Professionnelle 1 was the 56th season of the Algerian Ligue Professionnelle 1 since its establishment in 1962. A total of 16 teams contested the league. The Ligue Professionnelle 1 kicked off on August 15, 2019, this time without an official sponsorship for the first time since 2008–09, Mobilis ATM did nothing to renew the contract. On September 17, at the Extraordinary General Assembly of Algerian Football Federation, it unanimously endorses the change of the competition system by increasing the number of clubs from 16 to 18, as for the second division to 32 clubs from two groups Central East and Central West from 16 clubs also became the number of professional clubs 18 instead of 32 starting from the season 2020–21. On September 30, at the monthly statutory meeting held in Ouargla. After debate and exchanges between the members, the Federal Office opted for the variant favoring the relegation of two clubs of the Ligue Professionnelle 1 and the promotion of four clubs of the League 2 to the upper tier.
On March 15, 2020, the Ligue de Football Professionnel decided to halt the season due to the COVID-19 pandemic in Algeria. On July 29, 2020, the LFP declared that season is over and CR Belouizdad to be the champion, the promotion of four teams from the League 2, and scraping the relegation for the current season.
Teams
16 teams contest the league. US Biskra, NC Magra and ASO Chlef were promoted from the 2018–19 Ligue 2.Stadiums
| Team | Home city | Stadium | Capacity |
| AS Aïn M'lila | Aïn M'lila | Touhami Zoubir Khelifi Stadium | |
| ASO Chlef | Chlef | Stade Mohamed Boumezrag | |
| CA Bordj Bou Arréridj | Bordj Bou Arréridj | August 20, 1955 Stadium | |
| CR Belouizdad | Algiers | Stade 20 Août 1955 | |
| CS Constantine | Constantine | Stade Mohamed Hamlaoui | |
| ES Sétif | Sétif | Stade 8 Mai 1945 | |
| JS Kabylie | Tizi Ouzou | Stade 1er Novembre 1954 | |
| JS Saoura | Béchar | Stade 20 Août 1955 | |
| MC Alger | Algiers | Stade 5 Juillet 1962 | |
| MC Oran | Oran | Stade Ahmed Zabana | |
| NA Hussein Dey | Algiers | Stade 20 Août 1955 | |
| NC Magra | Sétif | Stade 8 Mai 1945 | |
| Paradou AC | Algiers | Stade Omar Hamadi | |
| US Biskra | Biskra | Stade du 18 Février | |
| USM Alger | Algiers | Stade Omar Hamadi | |
| USM Bel Abbès | Sidi Bel Abbès | Stade 24 Fevrier 1956 |
Personnel and kits
Managerial changes
Foreign players
League table
Results
Positions by round
Clubs season-progress
Season statistics
Leader week after week
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PlotArea = left:40 right:15 bottom:40 top:0
Period = from:1 till:30
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PlotData=
bar:Leaders width:16 mark: align:left fontsize:S
from:1 till:2 shift: text:"MCO" color:pink
from:2 till:3 shift: text:"JSK" color:yellow
from:3 till:4 shift: text:"MCA" color:green
from:4 till:7 shift: text:"CRB" color:red
from:7 till:10 shift: text:"MCA" color:green
from:10 till:22 shift: text:"CRB" color:red
The bottom of the table week after week
ImageSize = width:800 height:100
PlotArea = left:40 right:15 bottom:40 top:0
Period = from:1 till:30
ScaleMajor = unit:year increment:1 start:1
TimeAxis = orientation:horizontal
PlotData=
bar:Leaders width:16 mark: align:left fontsize:S
from:1 till:2 shift: text:"USMBA" color:green
from:2 till:9 shift: text:"PAC" color:yellow
from:9 till:10 shift: text:"ESS" color:black
from:10 till:13 shift: text:"NCM" color:blue
from:13 till:15 shift: text:"NAHD" color:red
from:15 till:18 shift: text:"USB" color:green
from:18 till:20 shift: text:"NAHD" color:red
from:20 till:22 shift: text:"NCM" color:blue
Top scorers
Updated to games played on 15 March 2020Source:
Hat-tricks
| Player | For | Against | Result | Date | Ref |
 | NA Hussein Dey* | ES Sétif | 4–3 | 23 9 2019 | |
| | USM Bel Abbès* | NC Magra | 3–1 | 17 2 2020 |