Site map - O
- Lille OSC - Strasbourg IG
- Lille OSC - Toulouse FC
- Lille OSC - Troyes
- Oscar Collazo - Gerardo Zapata
- Oscar Cortez - Custio Clayton
- Oscar Duarte - Miguel Madueno
- Oscar Duarte - Ryan Garcia
- Oscar Escandon - Jhack Tepora
- Oscar Escandon - Robinson Castellanos
- Oscar Negrete - Rey Vargas
- Oscar Rivas - Dillian Whyte
- Oscar Valdez - Emanuel Navarrete
- Oscar Valdez Jr. - Scott Quigg
- Oscar Valdez - Miguel Berchelt
- Oscar Valdez - Shakur Stevenson
- Oskari Metz - Michał Syrowatka
- Osmanlıspor - FC Midtjylland
- Osmanlıspor - FC Zürich
- Olympiacos Piraeus - Osmanlıspor
- OTP Bank-PICK Szeged - HBC Nantes
- OTP Bank-PICK Szeged - Kolstad Håndball
- OTP Bank-PICK Szeged - Kolstad Håndbold
- OTP Bank-PICK Szeged - SC Magdeburg
- OTP Bank-PICK Szeged - THW Kiel
- Ottawa Senators - Arizona Coyotes
- Ottawa Senators - Boston Bruins
- Ottawa Senators - Buffalo Sabres
- Ottawa Senators - Calgary Flames
- Ottawa Senators - Edmonton Oilers
- Ottawa Senators - Florida Panthers
- Ottawa Senators - Minnesota Wild
- Ottawa Senators - Montreal Canadiens
- Ottawa Senators - New York Rangers
- Ottawa Senators - Pittsburgh Penguins
- Ottawa Senators - Toronto Maple Leafs
- Ottawa Senators - Vancouver Canucks
- Ottawa Senators - Winnipeg Jets
- Otto Wallin - Anthony Joshua
- Otto Wallin - Tyson Fury
- Ourense CF - Valencia CF