| INPA | International Conformity Certifcation Programm | 国际报纸促进协会 |
| INPA | International Newspaper Promotion Association | 国际报纸推广协会 |
| INPA | Instituto Nacional de Pesquisas da Amazônia (Portuguese: National Institute for Amazon Research, Brazil) | Instituto Nacional de Pesquisas da Amazônia (Portuguese: National Institute for Amazon Research, Brazil) |
| INPA | Interchangeable Numbering Plan Area | 可互换编号计划区 |
| INPA | Instituto Nacional de Pesquisas da Amazônia | Instituto Nacional de Pesquisas da Amazônia |