Mebyon Kernow
![](/Images/godic/202501/26/Mebyon_Kernow_logo.svg3123.png"){kind=logo}
![Picture of Mebyon Kernow's assembly petition](/Images/godic/202501/26/1._Declaration_for_a_Cornish_Assembly3123.jpg")
![Daphne du Maurier, perhaps the best known supporter of Mebyon Kernow.](/Images/godic/202501/26/Young_Daphne_du_Maurier3123.jpg")
Mebyon Kernow – The Party for Cornwall (MK; Cornish for Sons of Cornwall) is a Cornish nationalist, centre-left political party in Cornwall, United Kingdom. It primarily campaigns for devolution to Cornwall in the form of a Cornish Assembly, as well as social democracy and environmental protection.