WBO means World Boxing Organization in Sports
Similar to WBO
ABA - American Bass AnglersABA - Amateur Bodybuilding Association
ABAC - Arlington Bicycle Advisory Committee
ABAM - Archers And Bowhunters Association Of Manitoba
ABATE - American Bikers For Awareness Training And Education
ABATE - Alaska Bikers Advocating Training And Education
ABB - Aitkin Backyard Boxing
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