Rosewarne is the name of two places in Cornwall, England.
Rosewarne (Cornish: Roswern) is a hamlet in west Cornwall at,[1] in the parish of Gwinear-Gwithian, near Reawla. The name of the hamlet comes from the Cornish language Roswern, containing the elements ros, meaning 'hill-spur', and gwern, meaning 'alder marsh'.[2]
Rosewarne (Cornish: Resuhorn) is also the name of a northern area of the town of Camborne at . It gives its name to the nearby Duchy College Rosewarne, which is one of two sites of an agricultural college run by Duchy College within the Cornwall College Group.[3]
James Trevenen (1760–1790), an officer in the Royal Navy and the Imperial Russian Navy, was born at the Camborne Rosewarne.[4]