Carnkie () is a village in west Cornwall, England, United Kingdom. It is situated half a mile west of Rame, approximately three and a half miles west of Penryn and approximately five miles north east of Helston. It is in the civil parish of Wendron.
The village has a village hall and a garage, and until 2010 also had a Methodist chapel.
The name Carnkie comes from the Cornish language words karn, meaning 'crag, tor', and ki, meaning 'dog'.
The old chapel at Carnkie was built in 1900 as a Bible Christian Chapel. The chapel was closed in 2010 and the last service was held on 22 August.