FCCO
| Acronym | Definition |
|---|---|
| FCCO | Feral Cat Coalition of Oregon |
| FCCO | Football Club du Canton d'Oradour (French football club) |
| FCCO | First Class Coach Company (St. Petersburg, FL) |
| FCCO | Fort Carson, Colorado (US Army) |
| FCCO | Formation Conventionnelle Continue des Orthoptistes (French: Conventional Continuous Training of Orthoptists) |