3,871 boxers
Sort and filter to find who you want. Search matches alternate spellings and country names as well as the name itself — a boxer entered as ZYGUŁA at one championship and ZYGULA at another is one person here.
| Name | Country | Record | Bouts | Events | Best result |
|---|---|---|---|---|---|
| Samandar Olimov |  Uzbekistan | 7–2 | 9 | 3 | goldWorld Boxing Cup Finals Greater Noida 2025 |
| Gabriel Costa Oliveira |  Brazil | 1–1 | 2 |
| 1 |
| fifthBrazilian Elite Boxing Championships 2026 |
| Luiz Gabriel Nascimento Oliveira | Brazil | 19–2 | 21 | 5 | goldWorld Boxing Cup Brazil 2026 |
| Kaian Oliveira Reis | Brazil | 11–5 | 16 | 6 | goldWorld Boxing Cup Astana 2025 |
| Rodrigo De Queiroz Oliveira | Brazil | 0–1 | 1 | 1 | fifthBrazilian Elite Boxing Championships 2026 |
| Olaf Olszak |  Poland | 0–1 | 1 | 1 | — |
| Piotr Olszak | Poland | 0–1 | 1 | 1 | — |
| Kacper Ołubiec | Poland | 1–1 | 2 | 1 | fifthXCVI Polish National Elite Championships (Men) 2025 |
| Omar Badjie |  Switzerland | 0–1 | 1 | 1 | fifth7th Grand Prix Zagreb (Croatia) 2025 |
| David Ome |  Papua New Guinea | 0–1 | 1 | 1 | — |
| Nurzat Ongarov |  Kazakhstan | 1–3 | 4 | 3 | bronze40th Boxam Elite International Tournament (Spain) 2026 |
| Ongolo |  Russia | 0–1 | 1 | 1 | — |
| Ongtalap Rakhmanov | Kazakhstan | 2–2 | 4 | 2 | bronze14th Great Silk Way International Boxing Tournament (Azerbaijan) 2026 |
| Paul Omondi Onguku |  Kenya | 1–1 | 2 | 1 | — |
| Matvei Onianov | Russia | 0–2 | 2 | 2 | — |
| Jonathan Oniemba Kenge |  Belgium | 0–1 | 1 | 1 | — |
| Sylus Oyugi Onyango | Kenya | 0–1 | 1 | 1 | — |
| Konstantin Opolskii | Russia | 7–1 | 8 | 2 | goldRussian Men's Elite Boxing Championships 2024 |
| Aibek Oralbay | Kazakhstan | 14–0 | 14 | 4 | goldWorld Boxing Cup Astana 2025 |
| Nurbek Oralbay | Kazakhstan | 10–2 | 12 | 4 | goldAsian Boxing Elite Championships Ulaanbaatar 2026 |
| Aleksandra Ordina | Russia | 2–1 | 3 | 1 | bronzeRussian Women's Elite Boxing Championships 2024 |
| Ramon Ordonez |  United States | 1–2 | 3 | 2 | fifthWorld Boxing Cup Brazil 2025 |
| Arina Oreshkina | Russia | 1–1 | 2 | 1 | fifthRussian Women's Elite Boxing Championships 2024 |
| Orkhan Aghayev |  United Arab Emirates | 0–1 | 1 | 1 | fifthAsian Boxing Elite Championships Ulaanbaatar 2026 |
| Almaz Orozbekov |  Kyrgyzstan | 3–3 | 6 | 3 | fifthWorld Boxing Cup Astana 2025 |
| Shirleidis Paola Orozco Martinez |  Colombia | 0–1 | 1 | 1 | — |
| Bryan Owen Ortiz |  Mexico | 1–1 | 2 | 1 | — |
| Citlalli Vanessa Ortiz | Mexico | 1–2 | 3 | 2 | fifthWorld Boxing Cup Brazil 2026 |
| Juan Diego Ortiz | Colombia | 0–1 | 1 | 1 | — |
| Juliam Gabriel Ortiz Rivera |  Puerto Rico | 2–1 | 3 | 1 | fifthIBA Men's World Boxing Championships Dubai 2025 |
| Albert Orzeł | Poland | 1–2 | 3 | 2 | fifthXCV Polish National Elite Championships (Men) 2024 |
| Erik Oseian | Russia | 0–1 | 1 | 1 | — |
| Dominik Osinski | Poland | 0–1 | 1 | 1 | — |
| Mateusz Osiński | Poland | 0–1 | 1 | 1 | — |
| Iurii Osipov | Russia | 2–2 | 4 | 2 | fifthRussian Men's Elite Boxing Championships 2025 |
| Marcin Oskroba | Poland | 0–1 | 1 | 1 | — |
| Hasan Osmanli |  Azerbaijan | 2–2 | 4 | 2 | silver70th Bocskai Istvan Memorial Tournament (Hungary) 2026 |
| Sultan Osmanli |  Türkiye | 2–3 | 5 | 3 | — |
| Nuraiym Osmonova | Kyrgyzstan | 0–1 | 1 | 1 | bronzeElite Montenegro Cup 2026 |
| Wiktor Osowicki | Poland | 1–1 | 2 | 1 | fifthXCVI Polish National Elite Championships (Men) 2025 |
| Tetiana Ostrovska |  Ukraine | 0–1 | 1 | 1 | — |
| Otgonbaatar Byamba-Erdene |  Mongolia | 6–4 | 10 | 4 | bronzeWorld Boxing Cup Astana 2025 |
| Othman Chadghour |  Morocco | 0–1 | 1 | 1 | — |
| Otieno Lencer Akinyi | Kenya | 1–1 | 2 | 1 | — |
| Aziza Otorova | Russia | 1–1 | 2 | 1 | fifthRussian Women's Elite Boxing Championships 2024 |
| Tomas Otta |  Czechia | 1–1 | 2 | 1 | bronzeCzech National Championships, Men and Women 2024 |
| Alina Oturgasheva | Russia | 0–1 | 1 | 1 | — |
| Ouchaou Younes |  Germany | 0–2 | 2 | 2 | fifth34th Ahmet Comert Bosphorus International Boxing Tournament (Turkiye) 2026 |
| Idrissi Sara Oulkadi El |  Spain | 0–1 | 1 | 1 | — |
| Mohamed Ounai |  France | 3–1 | 4 | 1 | silver40th Boxam Elite International Tournament (Spain) 2026 |