Turnastone is a village and civil parish west of Hereford, in the county of Herefordshire, England. In 2001 the parish had a population of 28. The parish touches St. Margarets and Vowchurch. Turnastone shares a parish council with Michaelchurch Escley, Newton, St Margarets and Vowchurch called "Vowchurch and District Group Parish Council".
There are 12 listed buildings in Turnastone. Turnastone has a church called St Mary Magdalene.
The name "Turnastone" means 'de Turnei's town' and it was probably earlier called "Wluetone" from Robert de Turuei, who held the manor after the Conquest.