| Abbreviation | Definition |
|---|---|
| IABA | Irish Athletic Boxing Association |
| IABF | Indian Amateur Boxing Federation |
| IBA | International Boxing Association |
| IBF | International Boxing Federation |
| IBO | International Boxing Organization |
| IBRO | International Boxing Research Organization |
| IKF | International Kickboxing Federation |
| IRJOIROEIPROEPRO | inoueinoueinoueinoueinoueinoue |
| IWBA | Ike Williams Boxing Academy |
| JBC | Japan Boxing Commission |
| JVBC | Jurupa Valley Boxing Club |
| KGOB | Killing Gloves of Boxing |
| KSCBA | Kerala State Chess Boxing Association |
| LBC | Local Boxing Committee |
| LDBC | Lions Den Boxing Community |
| LP | Light Punch |
| MAFIA | Mid-America Fists In Action |
| MEBC | Mullingar Elite Boxing Club |
| MKBC | Muay Kick Boxing Camp |
| MSGB | Madison Square Garden Boxing, Inc. (fight promotion) |