| Acronym | Definition |
|---|
| CIL | Common Intermediate Language (Microsoft) |
| CIL | Comité Interprofessionnel du Logement (French: Interprofessional Housing Committee) |
| CIL | Corpus Inscriptionum Latinarum |
| CIL | Component Integration Laboratories |
| CIL | Crazy in Love |
| CIL | Customary International Law |
| CIL | Commissioners of Irish Lights (radio navigation) |
| CIL | Correspondants Informatique et Libertés (French: Corresponding Data Protection) |
| CIL | Communications in Information Literacy (journal) |
| CIL | Centre International des Langues (French: International Language Center) |
| CIL | Corpo Italiano Di Liberazione |
| CIL | Cycle International Long (French education program) |
| CIL | critical item list (US DoD) |
| CIL | Cousin-In-Law |
| CIL | Computational Intelligence Laboratory |
| CIL | Centre d'Initiatives Locales (French: Center for Local Initiatives) |
| CIL | CAPSL Intermediate Language |
| CIL | Community Information Line |
| CIL | Centre for Innovative Leadership |
| CIL | Critical Information List |
| CIL | Computer Integrated Logistics |
| CIL | Comments In-Line |
| CIL | Curriculum & Instructional Leadership |
| CIL | Command Information Library |
| CIL | Computer Inoperative Limits |
| CIL | Confidence Interval Length |
| CIL | Configuration Identification List |
| CIL | Coleambally Irrigation Limited |
| CIL | Club Informatique du Langonnais (French: Computer Club of Langon; Langon, France) |
| CIL | Chef d'Incident Local |
| CIL | Convertisseur d'Images par Lots (French: Batch Image Converter) |
| CIL | Computer-In-Loop (aerospace) |
| CIL | Cleared Items List |
| CIL | Channel Inter-Leaver/Inter-Leaving |
| CIL | Chronic Inflammatory Lesion |
| CIL | Chronic Ileal Lesion |
| CIL | Cell Interfering List |
| CIL | Cephalo-Iliac Left |
| CIL | Center for Interactive Learning |
| CIL | Center for Independent Living |
| CIL | Certificate in Lieu Of |
| CIL | Carbon in Leach (gold mining) |
| CIL | Central Identification Lab |
| CIL | Cash in Lieu (stock transactions) |
| CIL | Contro Interpreter Language (Honeywell) |
| CIL | Changes in Latitude (Travel store) |
| CIL | Calcetto International League (table football organization) |
| CIL | Canadian Industries Limited |
| CIL | Certified Institutional Locksmith (Institutional Locksmiths' Association) |
| CIL | Coal India Limited |
| CIL | Compare Infobase Limited (India) |