A Pythian Castle was a local meeting place of the Knights of Pythias. It may refer to one of the following (listed alphabetically by U.S. state):
Pythian Castle (Arcata, California) Pythian Home of Missouri, Springfield, Missouri, also known as Pythian Castle Pythian Castle (Toledo, Ohio) Knights of Pythias Building (Fort Worth, Texas), also known as Pythian Castle Hall Pythian Castle (Portsmouth, Virginia) Pythian Castle Lodge, Milwaukee, Wisconsin
See also List of Knights of Pythias buildings Pythian Temple (disambiguation) Knights of Pythias Building (disambiguation)