| INA | I Need Assistance 
| Others |
| INA | I'm Not Afraid
| Others |
| INA | Icon Not Available
| Others |
| INA | Idhu Namma Aalu
| Others |
| INA | Ienaiensia nomina anatomica
| Others |
| INA | Illinois Nurses Association
| Others |
| INA | Immanuel Noelle and Apihaka
| Others |
| INA | Immigration and Nationality Act
| Others |
| INA | Immigration and Naturalization Act
| Others |
| INA | Index Nominum Algarum
| Others |
| INA | Indian National Airways
| Others |
| INA | Indian National Army
| Others |
| INA | Indian Naval Academy
| Others |
| INA | Individual Natural Active
| Others |
| INA | Individual Number Allocation
| Others |
| INA | Indonesia
| Others |
| INA | Industria Nacional de Autopartes
| Others |
| INA | Information Network Architecture
| Others |
| INA | Information Network of Arkansas
| Others |
| INA | Information Networking Architecture
| Others |
| INA | Information Not Available
| Others |
| INA | Inner Nutritional Alchemy
| Others |
| INA | Institut national de l'audiovisuel
| Others |
| INA | Institute of Nautical Archaeology
| Others |
| INA | Instituto Nacional De Aprendizaje
| Others |
| INA | Insurance Company of North America
| Others |
| INA | Inta Airport
| Others |
| INA | Inta, Russia
| Others |
| INA | Integrated Network Architecture
| Others |
| INA | Integrated Newspaper Audience
| Others |
| INA | Intelligent Nurse Assistant
| Others |
| INA | Interactive Network Adapter
| Others |
| INA | Interactive Network Adaptor
| Others |
| INA | Interlingua (International Auxiliary language Association)
| Others |
| INA | International Nanny
| Others |
| INA | International Nanny Association
| Others |
| INA | International Networking Association
| Others |
| INA | International Neurotoxicology Association
| Others |
| INA | International Newcomer Academy
| Others |
| iNA | intrinsic Noise Analyzer
| Others |
| INA | Investigational New Animal
| Others |
| INA | Investigational New Animal drug number
| Others |
| INA | Invoking National Attention
| Others |
| INA | Iowa Nurses Association
| Others |
| INA | Iraq News Agency
| Others |
| INA | Iraqi National Accord
| Others |
| INA | Iraqi National Alliance
| Others |
| INA | Istituto Nazionale delle Assicurazioni
| Others |
| INA | l'Institut National des Arts
| Others |