Gwaed ar y Sêr
- Gore: 1975
- Nyika: United Kingdom
- Genre: Comedy, Horror
- Studio: Bwrdd Ffilmiau Cymraeg
- Keyword: wales, choir, school, evil child, school choir
- Mutungamiriri: Wil Aaron
- Cast: Grey Evans, Hywel Gwynfryn, Dafydd Iwan, Dyfan Roberts, Wynford Elis Owen, Dafydd Hywel