Cernache do Bonjardim is a former civil parish in the municipality of Sertã, central Portugal. In 2013, the parish merged into the new parish Cernache do Bonjardim, Nesperal e Palhais. The population in 2011 was 3,052, in an area of 71.59 km².
The Portuguese hero Nuno Álvares Pereira was born in Cernache do Bonjardim on 24 June 1360.
The parish includes the following villages:
Coordinates: 39°48′58″N 8°11′13″W / 39.81611°N 8.18694°W