Erko Jun (born June 28, 1990) is a Bosnian professional mixed martial artist. He currently competes in the Light Heavyweight division for Brave Combat Federation. He is the current Brave CF Light Heavyweight Champion.
Jun made his professional debut on 9 June, 2018 for Polish promotion, Konfrontacja Sztuk Walki. He faced Tomasz Oà Âwiecià Âski, whom he would beat via a first round Knockout. This win would also see him earning a Knockout of the Night bonus.
His next fight would come four months later, where he took on Polish rapper, Paweà  "Popek" Mikoà Âajuw. Jun would win via TKO in the second round.
After a seven month hiatus, Jun would return in a bout against Akop Szostak. Jun would win the fight via TKO within the first minute of the first round.
Almost half a year later, Jun would return in a bout against decorated Polish strongman, Mariusz Pudzianowski. Jun would suffer his first defeat after a second round TKO. This would also mark Jun's last fight with the promotion.
Jun would make his debut with German promotion, Elite MMA Championship on 5 September, 2020 in a bout against Damian Olszewski. Jun would lose the fight via Knockout thirty seconds into the fight.
After over a year out of the cage, Jun would return in a bout against Italy's Gianluca Locicero. Jun would return to the win column after winning via TKO within the first minute of the first round.
Jun would return four months later in a bout against Poland's Szymon Wrzesieà Â. Jun would win the fight via TKO twelve seconds into the third round. This would also mark his last fight with the promotion.
A year later, Jun would have his first fight under the Brave Combat Federation promotion, when he took on Slovenia's Marko DrmonjiÃÂ in the main event of Brace CF 70. Jun would win the fight via TKO in the first round.
After a nine month hiatus, Jun would return to the cage. He would return to Poland and fight under the promotion Prime Show MMA. He fought Paweà  Trybaà Âa, who he would knock out in just under a minute in the first round.
Jun would return to Brave CF three months later, where he took on Algeria's Mohamed Said Maalem. Jun would win via TKO in the first round.
Five months after his last fight, Jun would face Germany's Alexander Wesner for the vacant Brave CF Light Heavyweight Championship. Jun would win the fight via TKO in the fourth round, and thus winning the title, and claiming his first career championship.
Jun later fought for the middleweight belt, facing Mohammad Fakhreddine. He lost this fight via a first-round knockout.
Jun made his kickboxing debut against Russia's Vladimir Mineev on 16 September, 2022. Jun would lose the fight via a Referee Stoppage in the third round.
Jun made his debut under Karate Combat on December 5, 2025 against Montè Deon Ogbonna-Morrison. Jun lost the fight via a third-round TKO.
|- |Loss |align=center|9âÂÂ3 |Mohammad Fakhreddine |KO (punch) |Brave CF 96 | |align=center|1 |align=center|4:43 |Ljubljana, Slovenia | |- |Win |align=center|9âÂÂ2 |Alexander Wesner |TKO (leg kick and punches) |Brave CF 88 | |align=center|4 |align=center|1:27 |Ljubljana, Slovenia | |- |Win |align=center|8âÂÂ2 |Mohamed Said Maalem |KO (punches) |Brave CF 81 | |align=center|1 |align=center|3:06 |Ljubljana, Slovenia | |- |Win |align=center|7âÂÂ2 |Paweà  Trybaà Âa |KO (punch) |Prime Show MMA 7 | |align=center|1 |align=center|0:57 |Koszalin, Poland | |- |Win |align=center|6âÂÂ2 |Marko Drmonjià|TKO (punches) |Brave CF 70 | |align=center|1 |align=center|2:52 |Ljubljana, Slovenia | |- |Win |align=center|5âÂÂ2 |Szymon Wrzesieà  |TKO (punches) |Elite MMA Championship 9 | |align=center|3 |align=center|0:12 |Düsseldorf, Germany | |- |Win |align=center|4âÂÂ2 |Gianluca Locicero |TKO (leg kicks) |Elite MMA Championship 8 | |align=center|1 |align=center|0:39 |Düsseldorf, Germany | |- |Loss |align=center|3âÂÂ2 |Damian Olszewski |KO (punch) |Elite MMA Championship 5 | |align=center|1 |align=center|0:36 |Düsseldorf, Germany | |- |Loss |align=center|3âÂÂ1 |Mariusz Pudzianowski |TKO (punches) | | |align=center|2 |align=center|1:43 |Zagreb, Croatia | |- |Win |align=center|3âÂÂ0 |Akop Szostak |TKO (punches) | | |align=center|1 |align=center|0:37 |Gdaà Âsk, Poland | |- |Win |align=center|2âÂÂ0 |Paweà  Mikoà Âajuw |TKO (punches) | | |align=center|2 |align=center|2:08 |London, England | |- |Win |align=center|1âÂÂ0 |Tomasz Oà Âwiecià Âski |KO (punch) | | |align=center|1 |align=center|2:21 |Gdaà Âsk, Poland |
|- bgcolor="#fbb" | 2022-09-16 || Loss ||align=left| Vladimir Mineev || Cup of Lotus || Elista, Russia || TKO (Referee stoppage)||3 ||2:46
|- |Loss |align=center|0âÂÂ1 |Montè Deon Ogbonna-Morrison |TKO (punches) |Karate Combat 58 | |align=center|3 |align=center|0:28 |Doral, Florida, United States |