Olympia Armory

Olympia Armory is a historic National Guard armory located at Olympia, near Columbia, Richland County, South Carolina. It was built in 1936-1937 by the Works Progress Administration (WPA). The armory is a one-story, rectangular brick building with a barrel-vaulted roof and stepped parapeted end walls. The building displays Art Deco and Moderne design influences. It was used as a school gymnasium.

It was added to the National Register of Historic Places in 1996.

The Columbia Armory currently houses the headquarters of the South Carolina State Guard.