AB
| Abbreviation | Meaning | Tamil Meaning | Category |
|---|---|---|---|
| AB | Arc Brazing | - | Computer Acronyms(common) |
| AB | Abortion | - | Medical(slang) |
| AB | Ass Backwards | - | ISO Country Codes |
| AB | Ah Bless! | - | ISO Country Codes |
| AB | Able Seaman (rank) | - | Astronomy |
| AB | Abkhaz Language (ISO 639-1 Code) | - | Astronomy |
| AB | Architect Building | - | Business and Finance |