- O -

(60 fighters)

(i) = incomplete record, L.U. = Last Update

Katie O'BANION (132 lbs), (Super-Featherweight) , (L.U. 2008-10-21)

Claudia O'BRIEN , (Super-Flyweight) , (L.U. 2008-10-21)

Karen O'BRIEN (155 lbs), (Super-Welterweight) , (i), (L.U. 2008-10-21)

Heidi O'BURKE , (Super-Bantamweight) , (i), (L.U. 2008-10-21)

Daisy OCASIO (145 lbs), (Welterweight) , (L.U. 2008-10-21)

Maribel OCASIO , "Maribel Ocasio Soto" (103 lbs), (Strawweight) , (L.U. 2008-10-21)

Maki OCHIAI , (Super-Bantamweight) , (i), (L.U. 2008-10-21)

Crystal O'DELL , (Featherweight) , (i), (L.U. 2008-10-21)

Everlyne ODERO , (Super-Lightweight) , (L.U. 2008-10-21)

Louise O'DONNELL , (Featherweight) , (L.U. 2008-10-21)

Jasmin OFLAS , (Super-Welterweight) , (L.U. 2008-10-21)

Pauline O'HELLO (120 lbs), (Bantamweight) , (L.U. 2008-10-21)

Haruna OHSHIMA , (i), (L.U. 2008-10-21)

Su-Hyun OH , (i), (L.U. 2008-10-21)

Jana OLEJAROVA , (Lightweight) , (L.U. 2008-10-21)

Viktoria OLEYNIK , (Super-Featherweight) , (L.U. 2008-10-21)

Cravcenco OLESCA , (Super-Bantamweight) , (L.U. 2008-10-21)

Edyta OLEWNICZAK (121 lbs), (Super-Bantamweight) , (L.U. 2008-10-21)

Elisha OLIVAS , "Elisha Marie Olivas", (Super-Flyweight) , (L.U. 2008-10-21)

Cassia OLIVEIRA ALVES , (Super-Flyweight) , (i), (L.U. 2008-10-21)

Rita OLIVEIRA , (Super-Bantamweight) , (i), (L.U. 2008-10-21)

Alejandra Marina OLIVERAS , (Super-Bantamweight) , (L.U. 2008-10-21)

Graciela OLIVARES (111 lbs), (Flyweight) , (L.U. 2008-10-21)

Avalon OLIVIERRE , (i), (L.U. 2008-10-21)

Dominga OLIVO , (Super-Featherweight) , (L.U. 2008-10-21)

Eliza OLSON , "Eliza Jane Olson", (Lightweight) , (L.U. 2008-10-21)

Eileen OLSZEWSKI , "Miyoko Kuwaye", (Light-Flyweight) , (L.U. 2008-10-21)

Kada OMEROVIC , (Lightweight) , (i), (L.U. 2008-10-21)

Gwendolyn O'NEAL , (Super-Middleweight) , (L.U. 2008-10-21)

Linda OOMS , (L.U. 2008-10-21)

Pamela OPDYKE (131 lbs), (Super-Featherweight) , (L.U. 2008-10-21)

Theresa OPRYSK (145 lbs), (Welterweight) , (L.U. 2008-10-21)

Kristine ORLICH , (Super-Bantamweight) , (i), (L.U. 2008-10-21)

Maribel OROZCO , (Flyweight) , (i), (L.U. 2008-10-21)

Martha OROZCO DEITCHMAN , (Welterweight) , (L.U. 2008-10-21)

Francis ORRANTIA (Leoncita), (Super-Flyweight) , (i), (L.U. 2008-10-21)

Damaris ORTEGA , (Super-Bantamweight) , (i), (L.U. 2008-10-21)

Marsha ORTEGA (129 lbs), (Super-Featherweight) , (L.U. 2008-10-21)

Mary ORTEGA , (Flyweight) , (L.U. 2008-10-21)

Stephanie ORTEGA (109 lbs), (Light-Flyweight) , (L.U. 2008-10-21)

Trina ORTEGON (160 lbs), (Middleweight) , (L.U. 2008-10-21)

Alexis ORTIZ , (Bantamweight) , (i), (L.U. 2008-10-21)

Anabel ORTIZ (Avispa), (Light-Flyweight) , (L.U. 2008-10-21)

Jayla ORTIZ , (Super-Flyweight) , (L.U. 2008-10-21)

Marilyn ORTIZ , (L.U. 2008-10-21)

Patricia ORTIZ , (Heavyweight) , (i), (L.U. 2008-10-21)

Sandra ORTIZ , (Strawweight) , (L.U. 2008-10-21)

Xiomara ORTIZ , (Welterweight) , (i), (L.U. 2008-10-21)

Leatrice ORTLEY , (Lightweight) , (L.U. 2008-10-21)

Songul ORUC (138 lbs), (Super-Lightweight) , (L.U. 2008-10-21)

Dolores OSORIO , (Flyweight) , (i), (L.U. 2008-10-21)

Marina OSOVSKAIA , (Flyweight) , (i), (L.U. 2008-10-21)

Eva OTT , (Flyweight) , (L.U. 2008-10-21)

Aziza OUBAITA , (Flyweight) , (L.U. 2008-10-21)

Michelle OULD , (i), (L.U. 2008-10-21)

Leanna OWENS (155 lbs), (Super-Welterweight) , (L.U. 2008-10-21)

Jessica OYANG , (i), (L.U. 2008-10-21)

Sengul OZOKCU (113 lbs), (Super-Flyweight) , (L.U. 2008-10-21)

Dosinda OZUNA (161 lbs), (Middleweight) , (i), (L.U. 2008-10-21)

Wanda PENA OZUNA , (Super-Bantamweight) , (L.U. 2008-10-21)