MB
| Abbreviation | Meaning | Tamil Meaning | Category |
|---|---|---|---|
| MB | Manned Base | - | Atmospheric Research Center |
| MB | Megabit | - | Human Genome |
| MB | Megabyte | - | Human Genome |
| MB | Megabase | - | Medical |
| MB | Millibar | - | Organizations |
| MB | Main Bus | - | Organizations |
| MB | Management Baseline | - | Organizations |
| MB | Millibar(s) | - | Scuba Diving |
| MB | Message Board | - | ISO Country Codes |
| MB | Manitoba (postal Symbol) - Martinique (FIPS 10-4 Territory Code) | - | Astronomy |
| MB | Millibar | - | Business and Finance |
| MB | Megabits | - | Business and Finance |
| MB | Megabytes | - | Business and Finance |
| MB | Millibar | - | Business and Finance |