FCX
| Acronym | Definition |
|---|---|
| FCX | Freeport-McMoran Copper & Gold Inc (stock symbol) |
| FCX | French Connexion (gaming site) |
| FCX | Fuel Cell Power |
| FCX | Final Cut Express (Apple software) |
| FCX | Fire Coordination Exercise |
| FCX | Fuel Cell Experiment (Honda) |
| FCX | Fire Control Exercise |