First tracked match
Pohang Steelers vs Daejeon Hana
15/02/2025
Latest tracked match
Suwon FC vs Bucheon FC
08/12/2025
Role distribution · 2025
Referee232
Most-appointed referee · 2025
🇰🇷 Kim Jonghyeok
27
as referee
Match Officials(16 officials · 232 matches)
Showing 2025 ·View all seasons
Sort by:
1
Kim JonghyeokKORReferee
Referee 27
27×
→2Ko HyungjinKORReferee
Referee 26
26×
→3Song Min-seokKORReferee
Referee 24
24×
→4Shin YongjunKORReferee
Referee 21
21×
→5Lee Dong-junKORReferee
Referee 20
20×
→6Kim DaeyongKORReferee
Referee 19
19×
→7Kim WoosungKORReferee
Referee 17
17×
→8Seol TaehwanKORReferee
Referee 17
17×
→9Kim YongwooKORReferee
Referee 16
16×
→10Park Byung-jinKORReferee
Referee 15
15×
→11Chae SanghyeopKORReferee
Referee 14
14×
→12Choi GwanghoKORReferee
Referee 5
5×
→13Kim HeegonKORReferee
Referee 4
4×
→14Choi KwanghoKORReferee
Referee 3
3×
→15Jeong DongsikKORReferee
Referee 3
3×
→16Jung HoesooKORReferee
Referee 1
1×
→Season-by-Season
| Season | Matches | Officials | Referees |
|---|---|---|---|
| 2025 | 232 | 16 | 16 |
Top Venues
Referees by Nationality
🇰🇷
KOR232
Referee appointments · 2025 (top 16 officials)
2025 Matches(232 in season)
All Matches →08/12/2025
Suwon FCvsBucheon FC
07/12/2025
Jeju UnitedvsSuwon
05/12/2025
Bucheon FCvsSuwon FC
03/12/2025
SuwonvsJeju United
30/11/2025
JeonbukvsFC Seoul
30/11/2025
Suwon FCvsGwangju FC
30/11/2025
Gangwon FCvsPohang Steelers
30/11/2025
SangmuvsDaejeon Hana
30/11/2025
Ulsan HDvsJeju United
30/11/2025
Daegu FCvsFC Anyang
23/11/2025
Jeju UnitedvsDaegu FC
22/11/2025
Daejeon HanavsGangwon FC
22/11/2025
FC SeoulvsSangmu
22/11/2025
FC AnyangvsSuwon FC
22/11/2025
Pohang SteelersvsJeonbuk
22/11/2025
Gwangju FCvsUlsan HD
09/11/2025
Ulsan HDvsSuwon FC
09/11/2025
Pohang SteelersvsFC Seoul
08/11/2025
Jeju UnitedvsFC Anyang
08/11/2025
JeonbukvsDaejeon Hana
K League 1 referees — FAQ
How many K League 1 matches and referees are tracked?
Referee.Observer tracks 232 K League 1 matches across 1 season(s), with 16 match officials.
Which referee has the most K League 1 appointments?
Kim Jonghyeok (KOR) has the most K League 1 refereeing appointments in our data, with 27 matches as referee.
Which nationalities referee K League 1 the most?
By appointment volume, the most-represented referee nationalities in K League 1 are KOR (232).
How are K League 1 referees appointed?
K League 1 match officials — referee, assistant referees, fourth official, VAR and observers — are appointed by the competition's refereeing body before each round. Every published appointment is recorded here per season.