COSEC
| Acronym | Definition |
|---|---|
| COSEC | Conseil Sénégalais des Chargeurs (French: Senegalese Council of Shippers) |
| COSEC | Cosecant |
| COSEC | Correspondant Sécurité (French: Security Correspondent) |
| COSEC | Collaborative Sun-Earth Connector |
| COSEC | Consortium of Slovenian Electronic Collections (purchasing power) |
| COSEC | Coordinating Secretariat of National Unions of Students |
| COSEC | Complexe Omni-Sport Évolutif Couvert (French multisport complex) |