RFCS Views 7 meanings found RFCS commonly denotes a rear‑facing child safety seat, but the same letters are also used for technologies such as regenerative fuel cell systems and flow control mechanisms, as well as environmental groups. Miscellaneous Rianjagi Farmers Cooperative Society Governmental Regenerative Fuel Cell System Rain Forest Conservation Society Rear Facing Child Seat Academic & Science Recirculation Flow Control System Remote Foot Control Switch Roll-Forward Checkpointing Scheme