| Institute for Advanced Study | Institute for Advanced Study |
| Institute for Scientific Information | Institute for Scientific Information |
| Institute of electrical and electronics engineers | Institute of Electrical and Electronics Engineers |
| instituteur | master |
| institution | institution |
| Institution de la religion chrétienne | Institutes of the Christian Religion |
| Institution disciplinaire | Disciplinary institutions |
| Institution libre du Sacré-Cœur | Free Institution of Sacred Heart |
| institution sanitaire | health facility |
| institutionnalisation | institutionalisation |
| institutionnaliser | institutionalize |
| institutionnel | institutional |
| Institutions des îles Cook | Politics of the Cook Islands |
| Institutions européennes | Institutions of the European Union |
| Instituto Atlético Central Córdoba | Instituto Atlético Central Córdoba |
| Instituto Federal Electoral | Federal Electoral Institute |
| Instituto Nacional de Industria | Instituto Nacional de Industria |
| Instituto Tecnológico y de Estudios Superiores de Monterrey | Monterrey Institute of Technology and Higher Education |
| institutrice | mistress |
| Instituts indiens de technologie | Indian Institutes of Technology |
| instructif | instructive |
| instruction | statement |
| instruction administrative | administrative instructions |
| instruction administrative générale | general administrative order |
| Instruction arithmétique | Arithmetic command |
| instruction civique | civics |
| Instruction militaire | Manoeuvre |
| instruction morale | enlightenment |
| instructions | orders |
