| Abbreviation | Definition |
|---|---|
| MOHA | Minor Oaks Hockey Association |
| MSGB | Mid-State Golden Blades (Farmingdale, NJ) |
| MSHCA | Massachusetts State Hockey Coaches Association |
| MTHL | Metropolitan Toronto Hockey League |
| MUFH | Monmouth University Field Hockey |
| MWC.HOCKEY | Men's World Cup Hockey |
| MWHA | Mound Westonka Hockey Association |
| MYH | Masco Youth Hockey |
| MYH | Medfield Youth Hockey |
| NAHA | Nevada Amateur Hockey Association |
| NAHA | North Alabama Hockey Association |
| NAHA | North American Hockey Academy |
| NAHC | National Aboriginal Hockey Championships |
| NAHL | North American Hockey League |
| NAPHA | North American Prep Hockey Association |
| NBFH | Northern Burlington Field Hockey |
| NCHA | National Collegiate Hockey Association |
| NCHA | Northern Collegiate Hockey Association |
| NCHC | National Collegiate Hockey Conference |
| NCHL | NORAD Canadian Hockey League |