Westminster is an unincorporated community in western Auglaize Township, Allen County, Ohio, United States. It lies along State Route 117 just north of its intersection with State Route 196, 6½ miles (10½ km) north of Waynesfield and 7 1⁄2 miles (12.1 km) southeast of the downtown part of the city of Lima, the county seat of Allen County. The upper reaches of the Auglaize River flow past the community.
Rudolph Foods is located in the village. The facility processes pork rinds, and as a result, Westminster is known as "The Pork Rind Capital of the World," as is evidenced by the smell of bacon that frequently envelops the community.
Westminster is part of the Lima Metropolitan Statistical Area.
Coordinates: 40°41′36″N 83°58′49″W / 40.69333°N 83.98028°W / 40.69333; -83.98028