Lochwinnoch is an unincorporated community located in Renfrew County, Ontario, Canada, that straddles Horton Township and McNab/Braeside Township. Lochwinnoch Presbyterian Church located at 946 Lochwinnoch Road was opened on November 11th, 1894. One of two round barns are located in Lochwinnoch. One of which was built in 1884. Notable residents include The Valley Carver, a regionally known wood carving artist who has been featured in many TV documentaries run by local channels.