Minster is a village in Auglaize and Shelby counties, in the U.S. state of Ohio. The population was 3,046 at the 2020 census. It is included in the Wapakoneta, Ohio Micropolitan Statistical Area. It is adjacent to the village of New Bremen to the north. Minster is the home of the world's largest yogurt plant, operated by Dannon, which employs more than 400 people. The Minster Machine Company is also headquartered in Minster.