Cerastis faceta is a moth of the Noctuidae family. It was described by Treitschke in 1835. It is found in Morocco, Algeria, Tunisia, Spain, Portugal, France, Italy, as well as on Corsica, Sardinia, Malta and Sicily. The wingspan is 30–32 mm. Adults are on wing from February to April. The larvae are polyphagous on low-growing plants, including Taraxacum and Lactuca species. They feed by night and rest underground by day.