Ottville is an unincorporated community in Bureau County, Illinois, United States.

It was founded by William Ott (1805–1871), who also served as the community's postmaster.

At one time, Ottville was a prospering village with a blacksmith shop, post office, church, sorghum mill, ice house, and public school.

The lack of a railroad precipitated Ottville's decline as other nearby communities grew.

This Bureau County, Illinois location article is a stub.