OKTAGON title history

• Heavyweight Will Fleury since 8 March 2025 Reigns: 4 · Most defences: Will Fleury 2
• Light Heavyweight Makhmud Muradov since 1 August 2026 Reigns: 5 · Most defences: Karlos Vemola 2
• Middleweight Krzysztof Jotko since 11 July 2026 Makhmud Muradov Interim · since 14 June 2025 Reigns: 7 · Most defences: Patrik Kincl 3
• Welterweight Amiran Gogoladze since 31 October 2026 Reigns: 5 · Most defences: David Kozma 5
• Lightweight Mateusz Legierski since 22 November 2025 Reigns: 7 · Most defences: Mateusz Legierski 1
• Featherweight Vacant Reigns: 5 · Most defences: Mochamed Machaev 1
• Bantamweight Igor Severino since 7 March 2026 Reigns: 5 · Most defences: Igor Severino 1
• Flyweight Zhalgas Zhumagulov since 28 June 2025 Reigns: 4 · Most defences: Zhalgas Zhumagulov 1
• Women's Bantamweight Vacant Reigns: 2 · Most defences: Lucia Szabova 1
• Women's Flyweight Vacant Reigns: 2
• Women's Strawweight Mallory Martin since 10 October 2024 Reigns: 2 · Most defences: Mallory Martin 1

Reigns from Wikipedia's champion lists; bouts from our results.