- IPA
- Isopropyl Alcohol (Academic & Science » Chemistry)International Phonetic Alphabet (Academic & Science » Amateur Radio)**** International Police Association (Governmental » Police)**** International Police Association (Community » Law)** Individual Practice Association (Community » Sports)** Intergovernmental Personnel Act (Academic & Science » Ocean Science)* Investment Promotion Agency (Business » Stock Exchange)* Independent Physicians Association (Medical » Hospitals)* Investment Promotion Agencies (Business » Stock Exchange)* InterProcedural Analysis (Computing » Software)* Indian Pale Ale (Miscellaneous » Food)* International Powerlifting Association (Community » Sports)* Internet Protocol Address (Internet)* Instructions Per Second (Computing » General)* Instructions Per Second (Governmental » Military)* Instructions Per Second (Governmental » NASA)* Instructions Per Second (Miscellaneous » Unit Measures)* Independent Public Accountant (Business » Positions)* Independent Practitioner Association (Medical » Physiology)* Individual Pension Account (Business » Positions)* International Priority Airmail (Miscellaneous » USPS)* International Persian Alphabet (Academic & Science » Libraries)* Ipota, Vanuatu (Regional » Airport Codes)* Issue Position Argument (Governmental » Military)* Integrated Program Assessment (Governmental » Military)* International Polychaetology Association (Community » Non-Profit Organizations)
Abbreviations dictionary. 2012.