This article includes a list of references, related reading, or external links, but its sources remain unclear because it lacks inline citations. Please help to improve this article by introducing more precise citations. (August 2022) (Learn how and when to remove this template message)
Barnweill Castle was a castle located at Barnweill, in the parish of Craigie, South Ayrshire, Scotland.
The castle was a stronghold of the Lindsay family. A rectangular moat is located around the motte, the caput of the Barony of Barnweill.