GB
| Abbreviation | Meaning | Tamil Meaning | Category |
|---|---|---|---|
| GB | Gallbladder | - | Medical(slang) |
| GB | Gallbladder | - | Medical(slang) |
| GB | Gabon (FIPS 10-4 Country Code) - United Kingdom Of Great Britain And Northern Ireland (ISO 3166 Digram) | - | Astronomy |
| GB | Gigabyte | - | Business and Finance |
| GB | Gigabits | - | Business and Finance |