| Rank | Abbreviation | Meaning |
|---|
| ***** | MSBL | Midwest Suburban Baseball League
| |
| **** | MSBL | Manitoba Senior Baseball League
| |
| **** | MSBL | Men's Senior Baseball League
| |
| *** | MSBL | Manchester Suburban Basketball League
| |
| *** | MSBL | Mandatory Seat Belt Law
| |
| *** | MSBL | Maneuver Support Battle Lab
| |
| *** | MSBL | Major Senior Baseball League
| |
| *** | MSBL | Marshall Square Branch Library (Chicago, IL)
| |
| *** | MSBL | MAGTF Software Baseline
| |
| *** | MSBL | Main Street Branch Library (Huntington Beach, CA)
| |
| *** | MSBL | McPherson Square Branch Library (Philadelphia, PA)
| |
| *** | MSBL | Maneuver Support Battle Laboratory
| |
| ** | MSBL | Mount Shasta Branch Library (Mount Shasta, CA)
| |
| ** | MSBL | Master of Studies in Business Law
| |
| ** | MSBL | Milford Summer Basketball League
| |
| ** | MSBL | Maximal Sensory Block Level
| |
| * | MSBL | Mae s Bruce Library
| |
| * | MSBL | MAGTF C4I Software Baseline
| |
| * | MSBL | Mid Suburban Baseball League
| |
| * | MSBL | Middle School Baseball League
| |
| * | MSBL | Mortlock Simmonds Brown Leverett
| |
| * | MSBL | Mars Solar Balloon Lander
| |
| * | MSBL | May S. Bruce Library (Santa Fe, TX)
| |
| * | MSBL | Missing Bill Of Lading
| |