Blyth is a village in North Huron, Ontario, Canada. Blyth is 85 km north of London and 79 km west of Waterloo at the intersection of Huron County Road 4 and Huron County Road 25. Blyth is also 24 km inland from Lake Huron. The 2016 Canadian Census showed Blyth had a population of approximately 1,000 residents. Despite its small size, Blyth has a significant national presence.