, also known as Columbia Station or just Columbia, is the easternmost of the eighteen townships of Lorain County, Ohio, United States. Columbia Township is the official government name, while Columbia Station is the post office name, and tends to be the town name used by residents. The post office name was chosen to differentiate the township from other Columbia Townships statewide, located in Hamilton and Meigs Counties.
As of the 2000 census, the township had a total population of 6,912 in 2,452 residences.
According to the United States Census Bureau, the township has a total area of 25.7 square miles (66.5 km²), of which, 25.3 square miles (65.6 km²) of it is land and 1.34% is water. The west branch of the Rocky River and Plum Creek flow through the township from south to north.
Located in eastern Lorain County, it borders the following townships and cities: