Dawn Mills is a small, unincorporated community in southwestern Ontario, Canada, part of the municipality of Chatham-Kent. It is in the north-central portion of the municipality, located a short distance from the town of Dresden. The town grew to six streets, three hotels, church and a store. The population was around 100. The Old Colony Mennonite Church first rented, and later purchased the church building. The original stained glass windows, donated by the Elgie and the Holmes families, were removed.