The Lewisburg Armory is an historic National Guard armory that is located in East Buffalo Township, Union County, Pennsylvania.

It was added to the National Register of Historic Places in 1991.

History and architectural features

Built in 1938, this historic structure is an "I-plan" building consisting of a two-story administration section with one-story wings, a one-and-one-half-story drill hall, and a two-story stable. The building was built with brick and concrete block, and was designed in the Moderne style. The administration section has a hipped roof; the drill hall has an arched roof and stable a flat roof.

It was added to the National Register of Historic Places in 1991.