| Abbreviation | Definition |
|---|---|
| LMHL | Laurel Mountain Hockey League |
| LMHL | Laurel Mountains Hockey League |
| LNAH | Ligue Nord-Américaine de Hockey |
| LNH | Ligue nationale de hockey |
| LOEAHA | Land of Enchantment Amateur Hockey Association (New Mexico) |
| LPHA | Lorne Park Hockey Association |
| LSHG | Ligue suisse de hockey sur glace |
| MAHA | Mankato Area Hockey Association |
| MAHA | Michigan Amateur Hockey Association |
| MAHA | Middlebury Amateur Hockey Association |
| MAHA | Missisquoi Amateur Hockey Association |
| MAHA | Montana Amateur Hockey Association |
| MAHL | Mid-Atlantic Hockey League |
| MAHL | Midland Amateur Hockey League |
| MASHA | Metro Atlanta Street Hockey Association |
| MBHL | Metropolitan Boston Hockey League |
| MCHA | Midwest Collegiate Hockey Association |
| MCHC | Metropolitan Collegiate Hockey Conference |
| MHAC | Minor Hockey Association of Calgary |
| MHCH | Mixed Hockey Club Heesch |