2018 Liga 1
The 2018 Liga 1, also known as Go-Jek Liga 1 for sponsorship reasons, was the second season of Liga 1 under its current name and the ninth season of the top-flight Indonesian professional league for association football clubs since its establishment in 2008. The season started on 23 March 2018 and ended on 9 December 2018. Fixtures for the 2018 season were announced on 10 March 2018.
Bhayangkara were the defending champions. Persebaya, PSMS, and PSIS joined as the promoted teams from the 2017 Liga 2. They replaced Persegres, Persiba, and Semen Padang who were relegated to the 2018 Liga 2.
Persija won their first Liga 1 title, and second Indonesian top-flight title overall on the final day of the season, finishing on 62 points.
Overview
Player regulations
Player registration was divided into two periods. The first period opened from 10 February 2018 and closes on 5 April 2018. Then the second period was done on 5 July to 3 August 2018. Clubs could register at least 18 players and a maximum of 30 players. The club was also required to contract at least seven local U-23 players. Unlike last season, U-23 players were not required to play in one game.Persija and Bali United got privileges related to player quota. Both were allowed to add three local players with no age limit, following their participation in the 2018 AFC Cup representing Indonesia.
Referee
Unlike last season, the league operator ensured that they did not use any foreign referees for this season.Teams
Eighteen teams competed in the league – the top fifteen teams from the previous season and three teams promoted from the Liga 2. The new teams this season were Persebaya, PSMS, and PSIS, who replaced Persegres, Persiba, and Semen Padang.Name changes
| Team | Location | Stadium | Capacity |
| Arema | Malang | Kanjuruhan | 42,449 |
| Bali United | Gianyar | Kapten I Wayan Dipta | 22,931 |
| Barito Putera | Banjarmasin | May 17th | 15,000 |
| Bhayangkara | Jakarta | PTIK | 3,000 |
| Borneo | Samarinda | Segiri | 16,000 |
| Madura United | Pamekasan | Gelora Ratu Pamelingan | 15,000 |
| Mitra Kukar | Tenggarong | Aji Imbut | 35,000 |
| Persebaya | Surabaya | Gelora Bung Tomo | 55,000 |
| Persela | Lamongan | Surajaya | 16,000 |
| Perseru | Serui | Marora | 5,000 |
| Persib | Bandung | Gelora Bandung Lautan Api | 38,000 |
| Persija | Jakarta | Gelora Bung Karno | 77,193 |
| Persipura | Jayapura | Mandala | 30,000 |
| PS TIRA | Bantul | Sultan Agung | 35,000 |
| PSIS | Magelang | Moch. Soebroto | 20,000 |
| PSM | Makassar | Andi Mattalata | 15,000 |
| PSMS | Medan | Teladan | 20,000 |
| Sriwijaya | Palembang | Gelora Sriwijaya | 23,000 |
Notes:
Personnel and kits
Note: Flags indicate national team as has been defined under FIFA eligibility rules. Players and coaches may hold more than one non-FIFA nationality.| Team | Head Coach | Captain | Shirt Sponsor | |
| Arema |  Milan Petrović |  Hamka Hamzah | Specs | Corsa, Achilles, Indomie, Torabika, Go-Jek |
| Bali United | Eko Purjianto | Fadil Sausu | Made by Club | Mobil, Go-Jek, Envi, Torabika, Indofood, Smartfren, Bank Ina, Achilles, KukuBima Ener-G!, YCAB foundation, Cellular World, Indomie, Elevenia, Lion Parcel, ACA Asuransi, Corsa |
| Barito Putera |  Jacksen F. Tiago | Hansamu Yama | Umbro | Hasnur Group, Jhonlin Group, Haji Maming, Bank Kalsel, PT Buana Karya Wiratama, Mitra Hino |
| Bhayangkara |  Simon McMenemy | Indra Kahfi | Umbro | BNI, Bright Gas, Jasa Raharja, Nendia Primarasa |
| Borneo |  Dejan Antonić | Diego Michiels | Nike | Fun88 Bola, STM, Shinhan Bank, PayTren, Ansaf, BIB, Fisik Football |
| Madura United | Gomes de Olivera | Fabiano Beltrame | MBB | Integra Group, Adaro, Horison Hotel Group, Lion Air, POJUR, Torabika, Quick Chicken, Pool Advista |
| Mitra Kukar | Rahmad Darmawan | Bayu Pradana | Joma | Grand Elty Singgasana, ABP Energy, PT Putra Perkasa Abadi |
| Persebaya | Djadjang Nurdjaman | Rendi Irwan | Made by Club | Safe Care, Kapal Api, Men's Biore, Antangin, Go-Jek, Honda, MPM Distributor |
| Persela | Aji Santoso | Wallace Costa | Forium | Go-Jek, So Nice, PayTren |
| Perseru | Wanderley da Silva | Arthur Bonai | Noij Sportwear | PT Irian Jaya Sehat, Bank Papua, Trigana Air, PT Yapen Makmur, Pemerintah Kabupaten Kep. Yapen |
| Persib |  Mario Gómez | Supardi Nasir | Sportama | Pria Punya Selera, Elevenia, Corsa, Indofood, Go-Jek, Bank Permata, Kopi ABC, FWD, Envi, Indomie, GO-PAY |
| Persija | Stefano Cugurra | Ismed Sofyan | Specs | Akulaku, KukuBima Ener-G!, Rasuna Epicentrum, Go-Jek, Tolak Angin, Bank DKI |
| Persipura | Osvaldo Lessa | Boaz Solossa | Specs | PT Freeport Indonesia, Bank Papua |
| PS TIRA | Nil Maizar |  Radanfah Abu Bakr | MBB | Artha Graha Peduli Foundation, SCBD, Bank Artha Graha Internasional, Angels Products, Podjok Halal |
| PSIS | Jafri Sastra | Hari Nur Yulianto | RIORS | Corsa, Go-Jek, Indomie, Torabika, KukuBima Ener-G! |
| PSM |  Robert Alberts | Wiljan Pluim | Umbro | Semen Bosowa, Go-Jek, Kopi ABC, Honda, KukuBima Ener-G! |
| PSMS |  Peter Butler | Legimin Raharjo | Made by Club | Pelindo 1, Auto 2000, Torabika, North Cliff, Go-Jek, Indomie, Corsa, FIFGroup, Sinar Mas, M88FC |
| Sriwijaya | Alfredo Vera |  Yoo Hyun-goo | Calci | KukuBima Ener-G!, Bank Sumsel Babel, Smartfren, Semen Baturaja, Perusahaan Gas Negara, PDPDE Sumsel, Go-Jek, Bukit Asam |
Notes:
Additionally, referee kits are made by Specs and Nike supplied the match ball.
Apparel changes:
Coaching changes
Foreign players
- Players name in bold indicates the player was registered during the mid-season transfer window.
- Former Player were players that out of squad or left club within the season, after pre-season transfer window, or in the mid-season transfer window, and at least had one appearance.
| Team | Player 1 | Player 2 | Player 3 | Asian Player | Former Player |
| Arema | Arthur Cunha |  Makan Konaté | Srđan Ostojić | Thiago Furtuoso Balša Božović Ahmet Ataýew | |
| Bali United | Mahamadou N'Diaye | Melvin Platje | Nick van der Velden |  Brwa Nouri | Demerson Ahn Byung-keon Miloš Krkotić |
| Barito Putera | Matías Córdoba | Douglas Packer | Marcel Sacramento |  Aaron Evans |  Juan Pablo Pino |
| Bhayangkara | Vladimir Vujović |  Élio Martins | Paulo Sérgio | Lee Yoo-joon | Nikola Komazec |
| Borneo | Matías Conti | Renan Alves |  Tijani Belaïd |  Azamat Baymatov | Marlon da Silva Julien Faubert Srđan Lopičić |
| Madura United | Fabiano Beltrame |  Zah Rahan Krangar | Mamadou Samassa |  Milad Zeneyedpour | Beto de Paula Nuriddin Davronov |
| Mitra Kukar | Mauricio Leal | Danny Guthrie |  Fernando Rodríguez | Yoo Jae-hoon | |
| Persebaya | Robertino Pugliara | David da Silva | Otávio Dutra | ||
| Persela | Diego Assis | Wallace Costa |  Loris Arnaud | Ahmet Ataýew |  Shohei Matsunaga |
| Perseru | Beto de Paula | Mazinho |  Sílvio Escobar | Kunihiro Yamashita |  Boman Aimé Djamel Leeflang |
| Persib | Jonathan Bauman |  Ezechiel N'Douassel | Bojan Mališić | Oh In-kyun | |
| Persija | Jaimerson | Renan Silva |  Marko Šimić |  Rohit Chand | Addison Alves Ivan Carlos |
| Persipura | Addison Alves | Hilton Moreira | Márcio Rosário | Marcel Sacramento Abdoulaye Maïga | |
| PS TIRA |  Dzmitry Rekish | Aleksandar Rakić | Radanfah Abu Bakr | Jeon Woo-young | Gustavo López Mariano Berriex Kim Sang-min |
| PSIS | Bruno Silva | Petar Planić |  Ibrahim Conteh |  Abou Bakr Al-Mel Akhlidin Israilov | |
| PSM | Steven Paulle | Marc Klok | Wiljan Pluim |  Sandro | Bruce Djite |
| PSMS | Felipe Martins | Reinaldo Lobo |  Alexandros Tanidis | Shohei Matsunaga | Wilfried Yessoh Sadney Urikhob Dilshod Sharofetdinov |
| Sriwijaya | Alan Henrique | Yoo Hyun-goo |  Goran Gančev | Manuchekhr Dzhalilov | Mahamadou N'Diaye Makan Konaté |
Source: ,
League table
Results
Season statistics
Top goalscorers
| Rank | Player | Team | Goals |
| 1 | Aleksandar Rakić | PS TIRA | 21 |
| 2 | David da Silva | Persebaya | 20 |
| 3 | Marko Šimić | Persija | 18 |
| 4 | Ezechiel N'Douassel | Persib | 17 |
| 5 | Bruno Silva | PSIS | 16 |
| 6 | Fernando Rodríguez | Mitra Kukar | 15 |
| 6 | Loris Arnaud | Persela | 15 |
| 8 | Samsul Arif | Barito Putera | 14 |
| 8 | Shohei Matsunaga | PSMS/Persela | 14 |
| 10 | Makan Konaté | Arema/Sriwijaya | 13 |
| 10 | Beto de Paula | Perseru/Madura United | 13 |
Hat-tricks
Discipline
- Most yellow card: 12
- * Marc Klok
- Most red card: 3
- * Mahamadou N'Diaye
Attendances