Cilfynydd Rugby Football Club is a Welsh rugby union club based in Cilfynydd in Pontypridd, Wales. The club is a member of the Welsh Rugby Union and is a feeder club for the Cardiff Blues. Cilfynydd RFC plays in the Welsh Rugby Union, Division Four South East League.
The Cilfynydd RFC badge consists of a yellow and black shield split into quarters. The four quarters each contain an icon symbolising the culture of Cilfynydd; the Old Bridge of Pontypridd, the Welsh flower, the daffodil, a coal mine winding tower and finally the Prince of Wales's feathers.
- Glamorgan County Silver Ball Trophy 1983/84 - Winners
- Glamorgan County Silver Ball Trophy 1984/85 - Winners