MSL
The initials MSL are used to refer to:
Business
College degrees
Organizations
- Major Series Lacrosse
- Major Soccer League
- Malaysia Super League
- MBCgame Starleague, StarCraft tournament
- Milwaukee School of Languages, in Wisconsin, US
People
- Mister Saint Laurent, US wrestler known as MSL
Places
- Northwest Alabama Regional Airport, US, IATA code
Science and technology
- Mars Science Laboratory, a NASA mission which landed rover Curiosity
- Materials Science Laboratory, an ESA payload on ISS
- Mean sea level
- Microgravity Science Laboratory, first flown on STS-83
- Maximum Segment Lifetime of TCP segment in networking
- mIRC Scripting Language, mSL
- Mission and Spacecraft Library, a website that tracks satellites
- Moisture sensitivity level, for semiconductor handling
- Multilayer soft lithography, a fabrication process
- Multiple single-level, computer security systems
Sign languages
- Maritime Sign Language
- Mongolian Sign Language
- Moroccan Sign Language, see French Sign Language family
Entertainment
- Memphis Sport Live, radio show, Tennessee, US