| Rank | Abbreviation | Meaning |
|---|
| ***** | CIDN | chronic inflammatory demyelinating neuropathy
| |
| **** | CIDN | Customer International Data Number
| |
| **** | CIDN | Conseil Ibérique pour la Défense de la Nature
| |
| **** | CIDN | Canine Inherited Demyelinative Neuropathy
| |
| **** | CIDN | Contrôles Inhibiteurs Diffus Induits par Stimulation Nociceptive
| |
| *** | CIDN | Convención Internacional Sobre los Derechos del Niño
| |
| *** | CIDN | Council for Defence of Nature
| |
| *** | CIDN | Circuit Identification Number
| |
| ** | CIDN | Cultureel Identificatie Nummer
| |
| * | CIDN | Centro de Información y Documentación
| |
| * | CIDN | Consultoría Integral en Desarrollo de Negocíos
| |
| * | CIDN | Compagnia Italiana Di Navigazione
| |
| * | CIDN | Consejo Ibérico para la defensa de la Naturaleza
| |
| * | CIDN | China Internet Domain Names
| |
| * | CIDN | Curious Incident of the Dog in the Night-Time
| |
| * | CIDN | Certified Interior Designer of Nebraska
| |
| * | CIDN | Core Industrial Design Network
| |