Great Bosullow (Cornish: Bos Chiwolow, meaning dwelling of the house of light) is a hamlet[1] south-east of Morvah in west Cornwall, England, UK.

Great Bosullow lies within the Cornwall Area of Outstanding Natural Beauty (AONB).

Almost a third of Cornwall has AONB designation, with the same status and protection as a National Park.

The freehold of Great Bosullow was put up for auction on 24 April 1883.

The property consisted of a house, barn, stable, cattle-house, piggeries and other outbuildings.