| Abbreviation | Definition |
|---|---|
| LTA | Little Theatre of Alexandria |
| LTC | Latinx Theatre Commons |
| LTFR | Little Theatre of Fall River |
| LTG | Little Theatre Group |
| LTOT | Lancastrian Theatre Organ Trust |
| LTSB | Let The Show Begin |
| LTW | Live Theatre Workshop |
| LTWB | Little Theatre of Wilkes Barre |
| LVCDT | Las Vegas Contemporary Dance Theater |
| MAT | Majestic arts theater |
| MAT | Millibo Art Theatre |
| MBT | Metropolitan Ballet Theatre |
| MBT | Mount Baker Theatre |
| MBT | Mt Baker Theatre |
| MCCT | Monroe County Civic Theater |
| MDT | Minnesota Dance Theatre |
| MHLT | Michael Heron Lecture Theatre |
| MLT | Marblehead Little Theatre |
| MMTC | Marin Musical Theatre Company |
| MNT | Macedonian National Theater |