IA
| Abbreviation | Meaning | Tamil Meaning | Category |
|---|---|---|---|
| IA | Investment Adviser | - | Chatting Acronyms |
| IA | Impulse Approximation | - | Computer Acronyms(common) |
| IA | Interlingua Language (ISO 639-1 Code) | - | Astronomy |
| IA | Iowa (postal Symbol) | - | Astronomy |
| IA | International Angstrom | - | Business and Finance |
| IA | Information Assurance | - | Human Genome |