Lockerbie Square Historic District is a national historic district on the National Register of Historic Places within Indianapolis, Indiana, listed on February 23, 1973, with a boundary increase on July 28, 1987. It is noted for its Federal, Italianate, and Queen Anne style architecture. The original platting of Lockerbie Square, done by Jannett Smith Lockerbie McOuat and named for her father, Scottish immigrant George Murray Lockerbie, was between 1847 and 1850.