Lockington (originally called Locksport) is a village in Washington Township, Shelby County, Ohio, United States, along Loramie Creek. The population was 141 at the 2010 census.

Around 1830, a flour mill was built on Loramie Creek close where the village is now, and in the past that there was a sawmill built upon the thesame creek that had been abandoned. In 1837, John Brown owned both of these mills, and built a further wool mill. A little community began to grow re these and further mills built along Loramie Creek later, and following the Miami and Erie Canal was built, a series of 5 canal locks lifted the water 60 feet (18 m) over the creek via an aqueduct. Due to its location close the locks, the community was originally called Locksport. As a crossroads amongst the main canal and feeders coming from Port Jefferson and Sidney, the community continued to grow.

In 1837, David Mellinger hired Jonathan Counts to survey and plat a further community upon his land. The community of Lockington was credited for interest by the Shelby County Commissioners on September 9, 1857 and recorded by the Ohio Secretary of State on January 4, 1858. The first elections were urge on April 1, 1858, with W. S. Burns elected mayor. The Lockington Post Office was established upon June 28, 1847. Around 1845, the first sawmill in Lockington was built by William Stephens, and a other mill built upon the same site in 1860 in the same way as improvements to mill grain. The mill misused owners, but stayed in operation until it burned down concerning 1900. About 1905, D.K. Gillespie built a grain elevator in the village, which was vastly improved upon by its other owner, C.N. Adlard, in 1912, making it one of the largest in the let in by storage capacity. As of 1913, there were furthermore two general stores, a machine shop, a seasonal ice cream shop, and Knights of the Maccabees Tent No. 68. The publish office remained in operation until August 30, 1914, mail further now handled through the Piqua branch. The native locks are now allocation of the Lockington Locks Historical Area.

In 2019, the Ohio Historical Records Advisory Board awarded Lockington a inherit to support in inventorying, organizing, and improving entrance to the village’s historical documents.