| Acronym | Definition |
|---|
| IFCO | International Foster Care Organisation (Den Haag, Netherlands) |
| IFCO | Interreligious Foundation for Community Organization |
| IFCO | International Fan Club Organization (Nashville, Tennessee) |
| IFCO | Irish Film Censor's Office (now Irish Film Classification Office; Dublin, Ireland) |
| IFCO | Irish Film Classification Office (Dublin, Ireland) |
| IFCO | In-Flight Change Over (searchlight) |
| IFCO | Institut de Formation en Commerce et Oenologie (French: Training Institute of Commerce and Enology) |
| IFCO | Iranian Fuel Consumption Organization |