John León
🚩Colombia assistant referee · 1 competition
John León is a Colombia football assistant referee. They have officiated as assistant referee and AVAR. In total they have 25 tracked match appearances across 1 competition, broken down as 14× AR, 11× AVAR. Most-worked competitions include Categoría Primera A. This profile is built from official match-appointment data.
Top Competitions
Season-by-Season Activity
| Season | Total | AR | AVAR |
|---|---|---|---|
| 2026 | 25 | 14 | 11 |
Career Milestones
Career-firsts tracked in our database.
Match Activity
25 matches · 1 yearTop 15% among Colombia officials
Peer Benchmark
Median in Colombia: 9 matches · 1 season
Recent Matches
Most-Officiated Teams
Least-Officiated Teams
Clubs in their current competition, ordered by how seldom this official has worked their matches.
Each number = matches officiated involving that club · 0× = never officiated them
Other officials from Colombia
Career Events
Career events (UEFA courses, awards) will appear here when available.
Season Reports
Rarely Works With
Active officials in Categoría Primera A they have shared fewest matches with.
- 1Carlos MárquezReferee · 40 in leagueNever
- 2Álvaro MeléndezReferee · 33 in leagueNever
- 3Luis G. MatorelReferee · 32 in leagueNever
- 4Daniel AlzateAVAR · 28 in leagueNever
- 5Keiner JiménezVAR · 23 in leagueNever
- 6Carlos BetancourtReferee · 21 in leagueNever
- 7Ferney OssaAVAR · 21 in leagueNever
- 8William CrawfordAssistant Referee 1 · 20 in leagueNever
Explore the full officiating network — partnerships, observers, clubs and venues — on the network analysis page.
Top Destinations
- 1Medellin7×
- 2Barranquilla3×
- 3Pasto2×
- 4Cali2×
- 5Monteria2×
- 6Ibague2×
- 7Bogota2×
- 8Tunja2×
- 9Valledupar1×
- 10Palmira, Valle Cauca1×
- 11Cucuta1×
Venues Visited(15)
Stadiums John León has officiated at. Filter by competition or season to focus the map.
15 venues · 25 matches
Atanasio GirardotMedellin5 matches
Romelio MartinezBarranquilla3 matches
Departamental LibertadPasto2 matches
Estadio Jaraguay (Municipal de Monteria)Monteria2 matches
Estadio Manuel Murillo ToroIbague2 matches
La IndependenciaTunja2 matches
Armando Maestre PavajeauValledupar1 match
Deportivo CaliCali1 match
Estadio Atanasio GirardotMedellin1 match
Estadio CincuentenarioMedellin1 match
Estadio Francisco Rivera EscobarPalmira, Valle Cauca1 match
Estadio Nemesio Camacho El CampinBogota1 match
General SantanderCucuta1 match
Metropolitano de TechoBogota1 match
Travel map
Venues in chronological order across tracked matches.
Frequently Asked Questions
What is John León's primary role?▾
John León is a Colombia football assistant referee, and has also worked as AVAR.
How many matches has John León officiated?▾
John León has 25 tracked match appearances across 1 competition (14× AR, 11× AVAR).
Which competitions does John León work in?▾
John León has most often officiated in Categoría Primera A.
Is John León a FIFA referee?▾
John León is not currently recorded as a FIFA badge holder in our data.
Which teams has John León officiated most?▾
Among domestic clubs, John León has most frequently officiated matches involving Atlético Nacional, Junior and Deportivo Pasto.
Which cities has John León officiated in most?▾
John León has officiated most often in Medellin, Barranquilla, Pasto and Cali, with Estadio Atanasio Girardot the most-visited stadium.
Organizer reviews
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<a href="https://www.referee.observer/referee/col/john-leon" title="John León — referee statistics on Referee.Observer">John León — referee profile & stats on Referee.Observer</a>Referee.Observer is built by a community of referees from open, public data sources — so some details may be out of date or wrong.