| MSDL | Manchester Scene Description Language 
| Others |
| MSDL | Manufacturing Service Description Language
| Others |
| MSDL | Marine Structures Design Laboratory
| Others |
| MSDL | Massachusetts Speech and Debate League
| Others |
| MSDL | Masters Series For Distinguished Leaders
| Others |
| MSDL | Mathematical Service Description Language
| Others |
| MSDL | Metropolitan Safe Deposits, Limited
| Others |
| MSDL | Microsoft Download Library
| Others |
| MSDL | MicroSuspension Direct Laryngoscopy
| Others |
| MSDL | Mid Shore Dart League
| Others |
| MSDL | Mid-South Delta Leaders
| Others |
| MSDL | Military Scenario Definition Language
| Others |
| MSDL | Mobile Systems Design Laboratory, Stony Brook University
| Others |
| MSDL | Modelling Simulation and Design Lab
| Others |
| MSDL | Modelling Simulation and Design Laboratory
| Others |
| MSDL | Montana State Digital Library
| Others |
| MSDL | MPEG Syntactic Description Language
| Others |
| MSDL | Multi Scale Deformation Lab
| Others |
| MSDL | Multi-purpose Serial Data Link
| Others |
| MSDL | Multiple Security Deposit Lease
| Others |